This post covers the recent updates from Oracle Cloud which is “Cloudera on Oracle Cloud Infrastructure”

Note: OCI is offering form of IaaS Service model (other 2 Cloud Service models are SaaS & PaaS), where OCI is re-branding of Bare Metal Cloud Service (BMCS).

If you don’t know what Cloudera is? then I would highly recommend you to go through my previous post on Hadoop Distribution: Cloudera vs Hortonworks

If you are just starting out in BigData & Hadoop then I highly recommend you to go through these post first:

• Big Data Hadoop Keypoints & Things you must know to Start learning Big Data & Hadoop, check here
• Big Data & Hadoop Overview, Concepts, Architecture, including Hadoop Distributed File System (HDFS), Check here

Oracle and Cloudera Brings the Ultimate Big Data Platform

Image may be NSFW.
Clik here to view.

Expansion of Data

As we all know data is ever more critical in business, we all see an explosion of data in the marketplace, 30 billion connected devices are in the market, 440 times more data are available, & yet despite that data is available people are unnecessarily using it, less than 50% of structured data is been used in making decisions of business, less than 1% of unstructured data is being analyzed & used at all.

Image may be NSFW.
Clik here to view.

Reasons Why People choose Cloudera?

Cloudera takes open source software & enhance it in terms of a quality making Secure, performant, Complaint with things like GDPR, that ever more essential. Cloudera made them Scalable, so it will be Elastic, cost-effective & in the last which is more focused today that it can run anywhere, in the cloud environment, in the multi-cloud environment, on premises, you can run the Cloudera technology anywhere you want.

Image may be NSFW.
Clik here to view.

Why Big Data on Oracle Cloud Infrastructure?

Advantages of Big Data on OCI

• 40% Better Compute Performance: Up to 40% better performance for Cloudera Big Data workloads on Oracle bare-metal compute instances, relative to virtual machines.
• Up to 1 PB of Block Storage Per Node: Up to 1 PB of high-performance solid-state block storage per node.
• Up to 50% Faster HDFS: Up to 50 TB of blisteringly fast NVMe SSD storage per node, for up to 50% better HDFS performance versus other public cloud storage.
• Guaranteed Network Performance: Flat network with 25 Gbps bandwidth between any two nodes, guaranteed by the only network performance SLA in the industry.

Image may be NSFW.
Clik here to view.

Related/Further Reading

If you are new to Cloud then I highly recommend you to go through these posts first

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• Check tasks performed by Oracle DBAs in Cloud here

If You’ve not looked at Our Big Data Hadoop Administration Workshop & want to check what we cover in the Workshop then check here & Step By Step Hands-On Activity Guide we cover in Training.

If you are looking for commonly asked interview questions for Big Data Hadoop Administration then just click below and get that in your inbox or join our Private Facebook Group dedicated to Big Data Hadoop Members Only.
Image may be NSFW.
Clik here to view. Image may be NSFW.
Clik here to view.

References & Related

• What is Big Data from Oracle
• Hadoop in Action by Chuck Lam
• White Paper: Reference Architecture
• [Video]: Faster Insights with Cloudera on OCI

The post Cloudera on OCI (Oracle Cloud Infrastructure) appeared first on Oracle Trainings.

In this post, we are going to look at Oracle Weblogic Multitenancy. For those who are new, Multitenancy in WebLogic Server provides a shareable infrastructure for use by multiple organizations. These organizations are a conceptual grouping of your own choosing, which you can think of as tenants. To know in detail about Weblogic Multitenancy, go through the post below.

If you are a beginner and want to learn Oracle Weblogic Server Administration then check our blog post here where Atul covers about Weblogic Domain.

What is Weblogic Server MultiTenancy:

Multitenancy in WebLogic Server provides a shareable infrastructure for use by multiple organizations. These organizations are a conceptual grouping of your own choosing, which you can think of as tenants. By allowing one domain to support multiple tenants, WebLogic Server MT improves density and achieves a more efficient use of resources while eliminating the hurdles typically present when trying to share multiple applications: runtime cross-application impact, security differences, data co-mingling, and administrative challenges.

WebLogic Server MT enables an end to end multitenant infrastructure, including multitenancy from the load balancer to the middle tier and cache tier, and to the database tier. WebLogic Server MT extends the Oracle WebLogic Server Enterprise Edition and Oracle WebLogic Suite products, and includes the following components:

• Oracle WebLogic Server MT, which enables the consolidation of applications into fewer domains (by allowing partitions within domains) while maintaining secure isolation
• WebLogic MT extensions to Java SE Advanced, which enables memory, CPU and I/O isolation, monitoring, and management for applications within a JVM
• Oracle WebLogic Coherence Enterprise Edition to Grid Edition option, which enables the consolidation of caches into fewer Oracle Coherence clusters while maintaining secure isolation
• Oracle Traffic Director, which provides WebLogic Server MT-aware and fully integrated tenant-aware local load balancing

Weblogic Server Domain Partitions:

WebLogic Server MT provides resource isolation within a domain partition, an administrative and runtime slice of a WebLogic domain that is dedicated to running application instances and related resources for a tenant. Domain partitions achieve greater density by allowing application instances and related resources to share the domain, WebLogic Server itself, the Java virtual machine, and the operating system while isolating tenant-specific application data, configuration, and runtime traffic.

Image may be NSFW.
Clik here to view.

• Each domain partition has its own runtime copy of the applications and resources.
• Changes in how WebLogic Server handles class loading provide both application isolation and efficiency.
• Deploying to Multitenant environments requires no changes to your applications. For example, you could run multiple instances of a payroll application in different domain partitions without modifying the application.

About Scope:

When you deploy an application or library, you have four deployment scope options:

• Global. This is the equivalent of the domain level in a non-partitioned environment.
• Resource group template, which is always at the domain level. Whether the application or library you deploy to a resource group template is available at the domain level or a partition depends on the scope of the resource group that references the resource group template.
• Resource group in a partition. This is the only scope that is limited to a partition.
• Resource group at the domain level.

You cannot share an application or library between domain partitions: the application or library is available only within the partition. When you deploy the application or library, you specify the resource group in the partition. In FMW Control, applications and libraries that are deployed to a resource group in a partitioned display the name of the domain partition and the resource group within that partition where they are deployed.

The key difference between an application or class running at the domain level and an application or class running in the context of a partition is:

• Applications or classes running at the domain level are available across the domain and are not available in partitions.
• Applications or classes running in the context of a partition are available only within that partition.

So this is all in nutshell about Oracle Weblogic Introduction to Multitenancy. Please go through the blog to know in detail.

We cover this in one of the modules of our Oracle WebLogic Training, where we also cover Architecture, File System, JDBC, JMS, HA, Clustering, Security, Patching, Upgrade, Backup, and Recovery etc.

Did You Find this Blog useful?

Leave a Comment.

Related Posts

• [Video] Oracle Weblogic Server: Weblogic Admin Tasks & Tools. Click Here
• Troubleshooting Oracle Weblogic Server: Startup Issue: OutOfMemoryError PermGen Space.. CLick Here
• [Video] Oracle WebLogic Administration: Weblogic Domain Topology. Click Here

Join Community

Join 3500+ Oracle Professionals like you to discuss Oracle Weblogic Server, Ask Questions or Help Others in Private Facebook Group for Oracle Weblogic Server.

Are you planning to Learn WebLogic Server or would like to check some of the common Oracle WebLogic Interview Questions then get them from here (sent over email)

Image may be NSFW.
Clik here to view.

The post Oracle Weblogic Administration: Introduction to Multitenancy appeared first on Oracle Trainings.

This post covers the recent update from  Oracle which is Oracle Database 18c 18.3.0 On-Premise is now available.

If you are new  to Oracle 18c Database, please check our previous blog where we have covered some key points about Oracle 18c Database (Click here)

As Oracle 18c is available on-premise, so the next thing which comes to your mind is from where you can download, Don’t worry we will let everything which will help you in deploying Oracle 18c Database on premise.

For Downloading Oracle 18c Database for on-premise (Click here)

Image may be NSFW.
Clik here to view.

Installing Oracle 18c Database On-Premise (Click here)

Related /Further Readings

• [Video] Oracle Autonomous Data Warehouse Cloud Service 18c Now on OCI (Click here)
• If you want to Learn Oracle Database (12c) Administration (Click here)
• If you want to Learn Cloud DBA (Click here)

References

• Oracle Database 18.3.0 on premises available for download on Linux (Click here)
• Oracle Database 18c Software Downloads (Click here)
• Installing Oracle 18c Database (Click here)
• Introducing Oracle Database 18c (Click here)

Next Task

• Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database on Cloud. If you need any help then post comments below

Image may be NSFW.
Clik here to view.

The post DBAs Cloud DBA : Oracle Database 18c 18.3.0 On-Premise is now available appeared first on Oracle Trainings.

As you are on this Blog post so you must have heard about Oracle Platform Security Service(OPSS). This post will Cover Basic Understanding of Overview, Architecture, New Feature about Oracle Platform Security Service(OPSS).

Let’s First started with What is OPSS?

OPSS is the underlying security platform that provides security to Oracle Fusion Middleware products, including Oracle WebLogic Server, service-oriented architecture (SOA) applications, Oracle WebCenter, Oracle Application Development Framework (Oracle ADF) applications, and Oracle Entitlements Server (OES).

Using OPSS, in-house developed applications, third-party applications, and integrated applications benefit from the same uniform security services across the enterprise.

OPSS is supported on WebLogic Server and is installed with Oracle Fusion Middleware Infrastructure.

OPSS Architecture Overview

OPSS includes the WebLogic Server security providers and the Oracle Fusion Middleware security frameworks

The OPSS architecture has the following layers:

Image may be NSFW.
Clik here to view.

Layer 1:  The uppermost layer consists of Oracle WebLogic Server and the components and Java applications running on the server.

Layer2:  API layer consisting of Authentication, Authorization, CSF, and User and Role APIs, followed by the Service Provider Interface (SPI) layer

Layer 3: service providers for authorization, authentication, credentials, identity and trust, Secure Sockets Layer (SSL), and cryptographic services. For authentication, OPSS uses WebLogic Server Authentication providers.

Layer 4: The final and bottom layer consists of repositories including LDAP and database servers.

OPSS Features

1. OPSS provides an integrated security platform that supports like Authentication, Identity assertion, Authorization, Manage and Map the roles, policies, Credentials, Certificates. It also supports Audit, security API’s.
2. It Allows developers to focus on application and domain problems.
3. Supports enterprise deployment,  LDAP servers and SSO systems
4. Provides a simplified application security maintenance.
5. It Allows changing security rules without affecting application code

OPSS provides security for Java EE applications, Oracle Fusion Middleware applications, and Java SE applications. It also provides the tools to administer all security in the enterprise, and allows changing security configurations without modifying application code.

There are some New Features added in OPSS in the 12.2.1.3.0 release Like:

• When migrating application policies for an application using the migrateSecurityStore WLST command, the behavior of the how policies are merged using the overwrite parameter has been changed.
• The Keystore Service (KSS) has been updated to support Subject Alternative Name (SAN) SSL certificates

Apart from this, you should have knowledge about Like what is the system requirement, Certification Information, Licensing Information etc.

System Requirement:

Oracle Platform Security Services installation and configuration will not complete successfully unless users meet the hardware and software pre-requisite requirements See Here Oracle Fusion Middleware System Requirements and Specifications.

Certification Information

What Oracle Platform Security Services is certified and supported, go to http://www.oracle.com/technetwork/middleware/ias/downloads/fusion-certification-100350.html.

Licensing Information

The latest information on Oracle Fusion Middleware Licensing, see Licensing Information User Manual.

In our Oracle Access Manager Training. We cover a lot of other topics like OAM, FMW and WebLogic concepts, OID, OHS, OAM integration with other oracle products, Cloning, HA, DR and much more. Please check our Step by Step Activity Guide You Must Perform to become Expert in IDM to see what all things we cover in this training.

Leave a  Comment What more topics you want to see ?

References

• https://docs.oracle.com/middleware/12213/opss/index.html
• https://docs.oracle.com/middleware/12213/opss/PSSRN/whatsnew.htm#PSSRN-GUID-A42B4E59-47F3-4736-AC43-5DDFD3CF677A
• https://docs.oracle.com/cd/E23943_01/core.1111/e12889/opss.htm#SCTOV185

Related Posts

• [Video] Oracle Identity Management 12c PS3 (12.2.1.3.0): New Feature/Changes Click Here 
• Oracle Access Manager 12c (12.2.1.3.0): Download & Installation: Part I Click Here
• Oracle Access Manager 12C: RCU & Configure Domain (12.2.1.3.0) [Part2] Click Here
• Overview of Oracle Identity & Access Management Products (OAM, OIM, OID, OUD, OES, OIF….) Click Here
• Documentation & Download of Oracle IDM 12cPS3 here  
• IDM 12cPS3 installation and Configuration here.
• Download IDM Software and create Schema click here
• Console in OAM: OAM Console, WebLogic & EM
• OID Consoles Overview: ODSM, Weblogic & EM
• Paid Program for IDM (OAM/OID): Architecture, Install, Configure, Integrate, HA, DR, Troubleshooting etc

Next Task For You

If you are looking for commonly asked interview questions for Oracle Access Manager then just click here and get that in your inbox.

If you are looking for Kickstart Your Journey to Oracle Identity & Access Management On-Premise or Cloud then just click below and get that in your inbox.

Image may be NSFW.
Clik here to view.

The post [OPSS] Oracle Platform Security Service: Overview, Architecture & Features appeared first on Oracle Trainings.

This post covers everything that you must know about the Oracle Cloud My Services Dashboard.

Also, Please refer to our previous blog, where Oracle ACE, Atul Kumar is showing the demo on the Steps to Register For FREE Oracle Cloud Trial Account

This section explains the elements on the Dashboard in My Services:

Use the My Services Dashboard page to check the overall status of your purchased services and manage your accounts or subscriptions.

Note: Based on the data center location of the subscribed services, the information displayed in My Services may vary.

The Identity Domain list displays the logged-in Cloud Account or identity domain name. If entitled, you can also select other Cloud Accounts with Identity Cloud Service or identity domains from the Identity Domain list. Identity domains (traditional cloud accounts) in the list are indicated by the term Traditional. If your subscription is extended to another region, the cloud account name is suffixed with the region name. For example, cloudcm23–APAC

You can switch between your accounts by selecting an account from the Identity Domain list. For example, you can switch between a traditional cloud account (identity domain) and a Cloud Account with Identity Cloud Service.

The table below summarizes the differences in the dashboard view and service access when you switch accounts.

To open the My Services Dashboard page, sign in to My Account. The Dashboard page is in focus. You can also click Dashboard at any time to display the page.

Image may be NSFW.
Clik here to view.

Image may be NSFW.
Clik here to view.  Click the Action icon to select options for:

• Viewing Service Details in My Account
• Viewing the Monitoring Metrics
• Viewing the User management

Image may be NSFW.
Clik here to view.  The bell icon, you can monitor ongoing and planned service outages that Oracle initiates to schedule maintenance jobs. You can search, filter, and sort the list of notifications. Your view includes only services located in the current data center and identity domain, and only those services for which you are a service administrator.

Image may be NSFW.
Clik here to view.

Guided Journey Tile Helps you get started with My Services and lets you explore Oracle Cloud. For example, the system guides you in tasks such as developing an application, creating an infrastructure, migrating or monitoring your applications and services.

Image may be NSFW.
Clik here to view.

Use Create Instance tile to create service instances. The Create Instance dialog box displays 2 tabs, namely, QuickStart Services and All Services. The QuickStart Services tab displays most popular or most used services such as Compute, Storage, Java, Database, Application Developer, Business Integration, Integration, or Mobile for which you can create instances.

Image may be NSFW.
Clik here to view.

Use The Account Managment Tile to view and manage your subscriptions and account usage. You can also assign an account and activate your services.

Image may be NSFW.
Clik here to view.

Use the Customize Dashboard Tile on the dashboard menu to display all your services or only those services that satisfy the criteria you select from the menu.

Services within the Customize Dashboard dialog box are grouped into Platform Services, Applications, and Metered Services Categories and Service Entitlements. A service entitlement is displayed in 2 rows, the first row indicates the name of the entitlement; the second row displays the number of instances and a link to the entitlement detail page.

Image may be NSFW.
Clik here to view.

Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database on Cloud.

Related/Further Reading

If you are just starting out in Cloud then I highly recommend you to go through these posts first

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• If you are confused to pick Amazon AWS or Oracle Cloud then check this
• Check tasks performed by Oracle DBAs in Cloud here

To learn more and earn higher or upgrade your skills then check out our DBA to Cloud DBA course and Build, Manage & Migrate (Lift & Shift) EBS (R12) on Cloud Expert course

Did You Start Your Cloud Journey?   

Get a FREE Copy in your Inbox with Steps to Register for Oracle Cloud and get 300 USD FEE Credit to Practice and Join our Private Closed Facebook Group for Oracle Cloud Community

Image may be NSFW.
Clik here to view.

The post Exploring & Customize Oracle Cloud Dashboard appeared first on Oracle Trainings.

This post covers one of the component of  Oracle Cloud Infrastructure (OCI) which is Compute. This the post is for beginners as Well for Professionals who are just starting to Learn Oracle Cloud Infrastructure.

Note: OCI is offering a form of IaaS Service model (other 2 Cloud Service models are SaaS & PaaS), where OCI is re-branding of Bare Metal Cloud Service (BMCS).

This Video is from our OCI Training in which Oracle ACE Atul Kumar has covered one of the services of Oracle Cloud Infrastructure which is Compute.

Overview of the Compute Service

Oracle Cloud Infrastructure Compute lets you provision and manages compute hosts, known as instances. You can launch instances as needed to meet your compute and application requirements. After you launch an instance, you can access it securely from your computer, restart it, attach and detach volumes, and terminate it when you’re done with it. Any changes made to the instance’s local drives are lost when you terminate it. Any saved changes to volumes attached to the instance are retained.

Image may be NSFW.
Clik here to view.

Oracle Cloud Infrastructure offers both Bare Metal and Virtual Machine instances:

• Bare Metal – A bare metal computes instance gives you dedicated physical server access for highest performance and strong isolation.
• Virtual Machine – A Virtual Machine (VM) is an independent computing environment that runs on top of physical bare-metal hardware. The virtualization makes it possible to run multiple VMs that are isolated from each other. VMs are ideal for running applications that do not require the performance and resources (CPU, memory, network bandwidth, storage) of an entire physical machine.

An Oracle Cloud Infrastructure VM compute instance runs on the same hardware as a Bare Metal instance, leveraging the same cloud-optimized hardware, firmware, software stack, and networking infrastructure.

Image may be NSFW.
Clik here to view.

Computes Shapes Available on OCI

Compute is nothing but  a Combination of CPU + Memory + Local Storage which you choose while launching/creating your instance.

Image may be NSFW.
Clik here to view.

Available Shapes BM (Bare Metal)
Image may be NSFW.
Clik here to view.

Note: Shapes in Black are Gen-1 based on X5 and Orange are Gen-2 based on X7

Available Shapes VM (Virtual Machine)

Image may be NSFW.
Clik here to view.

Compute Bare Metal Price

Image may be NSFW.
Clik here to view.

Next Task

• Follow Oracle Cloud Infrastructure (OCI) concepts like Region, Compartment, VCN, Storage, Availability Domain etc
• Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database or PaaS Offerings on Cloud

Image may be NSFW.
Clik here to view.

The post [Video] Oracle Cloud Infrastructure (OCI) | Compute CPU & Memory appeared first on Oracle Trainings.

In this post, we are going to see various aspects of how to secure your cloud data using Identity Cloud Service & some used cases.

If you are not familiar with Oracle Identity Cloud Service (IDCS) then I would highly you to go through our previous post on  Oracle Identity Cloud Service (IDCS) Overview & Concepts (Click here)

Security is one of the most critical and important aspects of every new initiative. Data loss & leakage
risks, unauthorized access through misuse of credentials and improper access controls, hijacking of
accounts and malicious insiders are some of the biggest concerns that are always present in the ever
faster delivery of these new services.

The below image says that there are already huge data on cloud and security is the main concern.

Image may be NSFW.
Clik here to view.

Role of IAM in Cloud Security

Identity & Access Management (IAM) can provide a single aggregated view of identities to all systems, it enables multi-channel access and provides a platform to define and enforce policies at one layer to ensure consistency. An important consideration for these organizations is to define how IAM is implemented for these new initiatives/services. They can implement security for each application in a monolithic, distinct and unique fashion for that application or they can leverage a platform approach which can give them a shared single identity across multiple applications, shared services, shared
policies across multiple applications and provide cross-channel visibility.

Market Trends and Business Drivers for Cloud IAM

Increasing SaaS Adoption: More and more sales, IT and Business functions are moving to the cloud. Enterprises want to manage access to these SaaS applications as an extension to their on-premise applications.

Strong Security: As data moves from on-premise to cloud and more corporate data is exposed via multiple channels, there is a critical requirement of strong authentication for user’s access, channel security to ensure data is secure in transit and authorization controls to ensure only authorized users to access the data. Enterprises need a platform that can act as a security broker for OAuth and Federation to enable service to service communication and support Identity propagation.

Hybrid Multi-Channel Access: Any device, anywhere, anytime access is the key ask from customers which requires enabling  multichannel access for the services

Simplicity and Performance: Get users productive faster through immediate access to key applications and systems.

Co-exist with Existing IAM Infrastructure: Controlling access to cloud applications is one challenge but there is still a plethora of legacy on-premise applications.

Core Solution Components (IDCS)

Oracle Identity Cloud Service provides a number of core services, each of which solves a unique challenge faced by many enterprises.

Image may be NSFW.
Clik here to view.

Elastic, Multi-Tenant Platform based on Microservice Architecture of IDCS

Oracle Identity Cloud Service Management provides an innovative, fully integrated service that delivers all the core identity and access management capabilities through a multi-tenant Cloud platform. The design of the next generation Identity Cloud Service (IDCS) is based on the microservice architecture which is naturally aligned with  Cloud principles of Scalability, Elasticity, Resilience, Ease of Deployment, Functional Agility, Technical Adoption and  Organization Alignment.

Traditionally on-premise IAM implementations can be costly as they provide greater flexibility for customizations.  Oracle Identity Cloud Service is designed to provide maximum configuration to support customer business processes and reduce the burden of implementation costs. It is designed with the following key considerations:

• More configuration and less customization
• Business Friendly UI
• Focus on simplicity and ease of usage

Pay As You Go Model

• The business does not need to buy hardware to install the product. There is no upfront perpetual license cost.
• Customers need to pay only for what they use. They can scale the number of users and applications up or down as needed during their contract.
• Security teams need only manage configurations and policies. They are no longer required to do the operational activities of maintaining the solution itself. They need less specific technical skills and resources to manage the solution.
• Ideal solution for small businesses that can’t afford on-premise IAM solution Support for Open Standards

All components of IDCS are built on modern Cloud principles and use standard open stack protocols.

• OpenID Connect for browser-based user authentication
• OAuth2 for securing REST API calls
• HTTP cookies for tracking user’s active sessions
• JWT-based tokens for applications to map authenticated Cloud identities to local application identities
• SAML for providing Single Sign-on for Cross-Domain applications using Federation
• SCIM for simplified user management in the Cloud by defining a schema for representing users and  groups
• RESTful APIs for all identity functions for customization and headless operations

Server Used Cases(IDCS)

Use Case: Secure Access for Cloud and on Prem

Image may be NSFW.
Clik here to view.

Use Case: ID Management of External Identities

Image may be NSFW.
Clik here to view.

Use Case: Moving Apps to the Cloud

Image may be NSFW.
Clik here to view.

Please stay tuned for our future post on Oracle Cloud Identity Service where we will be more focusing on cloud security and dealing with advance terms such as  Security Information and Event Management (SIEM), Cloud Access Security Broker (CASB),  Security Monitoring and Analytics (SMA) and much more.

This post is from our Oracle Identity Cloud Service (IDCS) training  in which we  have covered everything one should know about Oracle Identity Cloud Service 

If you have any doubts please reach out to us at contact@k21academy.com

Next Task for You

Download our free guide on Oracle Identity Cloud Service(IDCS) for Security & Identity Administrator.
Image may be NSFW.
Clik here to view.

The post Cloud Security Using Identity Cloud Service (IDCS) appeared first on Oracle Trainings.

In this post we are talking about Handle collision Parameter and its usage. Handle collision parameter is used to handle INSERT, UPDATE and DELETE collision.

For those who are new to Oracle Goldengate, is a software for real-time data integration and replication in heterogeneous IT Systems.

If you want to learn more about Oracle GoldenGate then check our previous posts about Oracle GoldenGate 12c Overview & Components. And GoldenGate 12c (12.3.0.1) New Features/Changes

If you want to install Goldengate 12c then go through our post here Oracle GoldenGate 12c Download & Installation and for troubleshooting go through Oracle GoldenGate 12c: Troubleshooting using LogDump Utility

Usage of Handle Collision parameter

The Goldengate HANDLECOLLISIONS parameter is configured on the target database in the Replicat process to Handle the collisions. It enables processing of the data when there are duplicate data integrity or no data found issues identified in the destination database.

Image may be NSFW.
Clik here to view.

There could be a number of reasons which could cause this condition. Some of them include the following.

1. Duplicate data exists in the source table.
2. Misconfiguration of the extract or Replicat configuration
3. Data Overlap –The table data was instantiated at a particular CSN (Commit Sequence Number) in the destination database but the Replicat process was started at a CSN prior table load SCN.
4. No Data exist

The HANDLECOLLISIONS parameter is used to overcome these collisions. There are 3 types of Collisions:

1. Insert Collision – When a row is inserted on source database whose key column already exist on target DB
2. Update Collision- When a row is updated on the source whose key column doesn’t exist on target DB.
3. Delete Collision- When a row is deleted on the source whose key column doesn’t exist on target DB.

Without the use of this parameter, the Replicat will ABEND when it tries to process the inserts from the trail into the table which already has the rows (PK or unique constraint violation).

It will also ABEND when the Replicat tries an update or delete rows which are not present in the destination tables. To overcome this normally the RBA of the trail has to be moved forward one transaction before the Replicat can be restarted and will stay running.

The following is the behavior of the Replicat process when the Goldengate HANDLECOLLISIONS parameter is enabled.

Resolution :

Enabling HANDLECOLLISIONS

• Goldengate HANDLECOLLISIONS should be used only when and where necessary.
• It should be removed from the Oracle Goldengate Replication configuration as soon as possible.
• If it has to be enabled, it should only be done so ONLY for tables requiring this.

This can be achieved by using HANDLECOLLISION, but by listing the specific tables and then turning it off using the NOHANDLECOLLISIONS clause for the remaining tables, as shown below.

Set Globally

Enable global HANDLECOLLISIONS for ALL MAP statements

HANDLECOLLISIONS
MAP pdb1.ggtraining1.dept11, TARGET pdb2.ggtraining2.dept22;
MAP pdb1.ggtraining1.emp11, TARGET pdb2.ggtraining2.emp22;
MAP pdb1.ggtraining1.hr11, TARGET pdb2.ggtraining2.hr22;
MAP pdb1.ggtraining1.revenue11, TARGET pdb2.ggtraining2.revenue22;
Set for Group of MAP Statements

Enable HANDLECOLLISIONS for some MAP statements

HANDLECOLLISIONS
MAP pdb1.ggtraining1.dept11, TARGET pdb2.ggtraining2.dept22;
MAP pdb1.ggtraining1.emp11, TARGET pdb2.ggtraining2.emp22;
NOHANDLECOLLISIONS
MAP pdb1.ggtraining1.hr11, TARGET pdb2.ggtraining2.hr22;
MAP pdb1.ggtraining1.revenue11, TARGET pdb2.ggtraining2.revenue22;
Set for Specific Tables

Enable global HANDLECOLLISIONS but disable for specific tables

HANDLECOLLISIONS
MAP pdb1.ggtraining1.dept11, TARGET pdb2.ggtraining2.dept22;
MAP pdb1.ggtraining1.emp11, TARGET pdb2.ggtraining2.emp22;
MAP pdb1.ggtraining1.hr11, TARGET pdb2.ggtraining2.hr22; NOHANDLECOLLISIONS
MAP pdb1.ggtraining1.revenue11, TARGET pdb2.ggtraining2.revenue22, NOHANDLECOLLISIONS;

Remove the HANDLECOLLISIONS parameter after the Replicat has moved past the CSN where it was abending previously.

Also make sure to restart the Replicat after the removing this parameter.

Handle Collision parameter substitute

Since HANDLECOLLISION is not the recommended parameter to be used during ongoing replication, you can use a different set of parameters.

1. To Handle Insert Collision use parameter UPDATE INSERT
2. To Handle Update Collision use parameter INSERTMISSINGUPDATES.
3. To capture rows which are either duplicate INSERTS or do not exist in the destination to be updated or deleted, REPERROR can be used to record these rows into a discard file.

In the example below, the REPERROR (1403, Discard) parameter is used to identify a condition when the row the Replicat is looking for, is not present in the destination database.

Similarly, the REPERROR (0001, Discard) is raised when a duplicate INSERT is attempted but it violates a PK or unique value key as the row is already present in the table.

Replicat rep0806
USERIDALIAS ggadmin_pdb

ASSUMETARGETDEFS
REPERROR (0001, DISCARD)
REPERROR (1403, DISCARD)
TABLE pdb1.ggtraining1.dept1;

This post is from our Oracle GoldenGate 12c Administration Training, in which we cover  Architecture, Installation, Configuring & Preparing the Environment, DML Replication – Online Change Synchronization, Initial Load, Zero Downtime Migration & Upgrading using GoldenGate, Oracle GoldenGate Security, Performance of Oracle GoldenGate and Troubleshooting and much more.

Next Task For You

Click on the image below to download your FREE Guide, Oracle GoldenGate 12c Interview Questions, & Learn More.

Image may be NSFW.
Clik here to view.

Do you have any queries in Oracle GoldenGate 12c?

Have a question related to your Oracle GoldenGate Career or Training?

Post any query regarding Oracle GoldenGate below and we will be happy to answer it.

The post Oracle GoldenGate: Handle Collision Parameter and its usage appeared first on Oracle Trainings.

In this post we are going to cover 10 key points of Oracle Apps DBA (R12) Cloning. For those who are new with Cloning, it is the process of creating a copy of an existing Oracle E-Business Suite system. Cloning is one the most common task that AppsDBA do.

Image may be NSFW.
Clik here to view.

For Database cloning in R12 using RMAN backup, please refer our previous post: Oracle EBS (R12): Database Cloning from RMAN backup

If you are new to Oracle AppsDBA or already working as Apps DBA but on version 11i or R12.1 then suggest you first go through with below FREE videos on EBS R12.2 from Oracle ACE, Author, and Oracle Apps Expert Atul Kumar

• [Video] Oracle Apps DBA (R12.2) Architecture
• [Video] Oracle Apps DBA (R12.2) Installation: FREE Training
• [Video] File System in Oracle E-Business Suite R12.2: Dual, APPL_TOP, INST_TOP, COMMON_TOP, FMW_HOME
• [Video] Oracle Apps DBA (R12.2) Services: Start/Stop
• [Video] Oracle Apps DBA (R12.2) Patching (ADOP): FREE Training

10 Key Points of Oracle AppsDBA (R12) Cloning

1. An Oracle E-Business Suite system can only be cloned to the same, or a higher, major release of a platform (operating system).

For example, you can clone a system running on Oracle Solaris 10 to run on Oracle Solaris 11, but it is not supported to clone a system running on Solaris 11 to run on Solaris 10.

2. In AD-TXK Delta 7, Oracle recommend you clone the Application tier run and patch file systems in a single operation, using the ‘dualfs’ option. Separate cloning of the run and patch file systems will be deprecated in the future

3. Cloning can be done to Same or Higher release of Platform (You can’t clone from Linux to Solaris or Windows)

4. Standard cloning is different from file system cloning. Standard cloning is creating a copy of an Oracle E-Business Suite system using Rapid Clone (for example, cloning a complete Oracle E-Business Suite system to create a test copy from your production environment). In contrast, file system cloning is copying the run file system to the patch file system in online patching, and can only be undertaken with the adop phase=fs_clone command.

5. When cloning, ensure that you specify the actual locations for the directories involved, so that AD utilities can properly identify the directories afterward. Do not use symbolic links to specify directory locations.

6. Before cloning a system with Rapid Clone, be sure to allow any active online patching cycles to run all the way through the final (cleanup) phase. In case patches are applied in hotpatch or downtime mode, then you must run cleanup phase of adop.

7. Then run fs_clone to synchronize with the other file system, to avoid the need for synchronization to be performed in the next patching cycle.

8. A global (central) inventory is generally recommended for all Oracle E-Business Suite Release 12.2 application tier nodes and database tier nodes.

However, starting AD/TXK.Delta.7, support for using an ‘EBS Installation Central Inventory’ has also been introduced for Application tier. This inventory will be specific to an E-Business Suite instance and will be identified by ‘<s_base>/oraInventory/oraInst.loc’.

9. If your system has separate installation user accounts for the database and the applications, both users must be in the same install group (inst_group) in oraInst.loc, which will need to contain a line such as inst_group=oracle.

10. In Release 12.2, you can set the base directory to any desired location. However, the subdirectory structure cannot be changed because of dependencies on both the WLS domain and the dual file system required for online patching. Also, the base directory must be the same across all nodes in multi-node configurations.

Reference: 

• Cloning Oracle E-Business Suite Release 12.2 with Rapid Clone (Doc ID 1383621.1)
• Multi Node Cloning Oracle E-Business Suite Release 12.2 (Doc ID 1375769.1)
• Cloning Oracle E-Business Suite Release 12.2 Environments integrated with Oracle Access Manager 11gR2 (11.1.2)  (Doc ID 1614793.1)

This post is from our Oracle Apps DBA (R12.2) Training, in which we cover  Architecture & Changes in Oracle E-Business Suite R12.2, Staging & Installation, File System & Important Files in R12.2, Start/Stop, Patching, AD Administration, Cloning, Concurrent Managers, AutoConfig, Password Management and Troubleshooting and much more.

Next task for you

Download Your Free Guide by clicking on the below image down learn Cloning in EBS R12 for Apps DBA

Image may be NSFW.
Clik here to view.

Are you having any queries or hitting any issues in R12.2 cloning?

If you like this post then don’t forget to share with your Apps DBA Friends

The post Oracle Apps DBA (R12): 10 Key Points Must Remember while Cloning appeared first on Oracle Trainings.

Related Documents

1. [Blog] Cloning Oracle Fusion Middleware 11g (SOA, WebCenter, UCM) – copyBinary, copyConfig, extractMovePlan, pasteBinary, pasteConfig, cloningclient.jar Click Here
2. [Blog] WebLogic / Oracle FMW to RAC Database connection : Using Active GridLink ? Click Here
3. [Blog] Oracle Traffic Director (OTD) 12c : Basics & Overview Click Here
4. [Blog] Configure Oracle HTTP Server infront of Oracle WebLogic Server mod_wl_ohs Click Here
5. [Blog] SSL / Wallets in OID/OHS : How to manage certificates in Wallet using command line ?? ORAPKIk Click Here

Have queries? Contact us at contact@k21academy.com or if you wish to speak then share your phone number and country code and a convenient time to speak.

 If you are Looking for useful docs related to SSL in FMW then just click below and get that in your inbox or join our private Facebook group dedicated for Oracle Fusion Middleware.

Image may be NSFW.
Clik here to view.

The post [Video] Oracle Fusion Middleware: Overview & System VS Java Components [Part I] appeared first on Oracle Trainings.

In this post, we are going to cover about the features of Object Storage Service in Oracle Cloud Infrastructure and will walk you through the major Concepts related to the Object Storage Service, What are the Basic Tiers Available to the End Users, also we will talk about How to Manage Buckets & Objects in the Object Storage, Object Storage Multipart Upload Features & the AWS S3 Compatibility API.

Overview of Object Storage

Oracle Cloud Infrastructure offers two distinct storage class tiers to address the need for both performant, frequently accessed “hot” storage, as well as less frequently accessed “cold” storage. Storage tiers help you maximize performance where appropriate and minimize costs where possible.

• Object Storage Service supports multipart uploads for more efficient and resilient uploads, especially for large objects.
• You can use the retry feature to upload only the failed upload.
• You can use multipart upload REST API calls or the Java Software Development Kit (SDK) to manage multipart uploads, but not the Console.
• Oracle recommendation: multipart upload for objects greater than 100 MIB.
• The maximum size for an uploaded object is 10 flB. Object parts must be no larger than 50

Object Storage: Amazon S3 Compatibility API

This is one of the new features of Object Storage service, Customers can now use the Amazon S3 Compatibility API in addition to the OCI native API to manage the OCI object storage.

Set of Object Storage APIs that let you build products and services that interoperate with other storage services, such as Amazon S3
Following highlights the differences between Object Storage API and S3 Compatibility API

• Compartments
  • Any buckets created using the Amazon S3 Compatibility API are created in the root compartment of the Oracle Cloud Infrastructure tenancy.
• Global bucket namespace
  • Object Storage doesn’t use a global bucket namespace.
  • Bucket names must be unique within the context of a namespace, but bucket names can be repeated across namespaces.
• Encryption
  • Encrypted data at rest by default.
  • Encryption can’t be turned on or off using the API.
• Object Level Access Control Lists (ACLs)
  • Oracle Cloud Infrastructure does not use ACLs for objects. Instead, lAM policies are used to manage access to compartments, buckets, and objects.

Related/Further Reading

If you are just starting out in Cloud then I highly recommend you to go through these posts first:

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• If you are confused to pick Amazon AWS or Oracle Cloud then check this
• Check tasks performed by Oracle DBAs in Cloud here

This post is from our Course “Oracle Cloud IaaS – Oracle Cloud Infrastructure (OCI) Architect” with 3 Years On-Job Support and Unlimited FREE Retakes (If you need to know more about this program then reach out to our team at contact@k21academy.com )

Next Task

• Follow Oracle Cloud Infrastructure (OCI) concepts like Region, Compartment, VCN, Storage, Availability Domain etc
• Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database or PaaS Offerings on Cloud

Image may be NSFW.
Clik here to view.

The post Object Storage Service in Oracle Cloud Infrastructure (OCI) appeared first on Oracle Trainings.

In this Blog Post, we will cover about How to Create a custom service instance using Java Cloud Service – Virtual Image. It’s Developer level service and Supports Oracle Java Cloud Service instance creation and monitoring.

In my last blog post, I covered JCS Overview and Create JCS Instance with the Quick template for which you do not need to fulfill any prerequisites and quick way to create and JCS instance. But if you are working for a client or working in a production environment and they have a specific requirement for like Memory, Storage, Database then we use JCS – Virtual Image for creating an instance.

Prerequisite for Instance with JCS – Virtual Image

• Creating a Database using the Virtual image service level
• Add SSH Public key
• Creating an Object storage Container
• Set up database environment according to your database version

Creating a Database using the Virtual image service level

In this Blog we are using Oracle Database software releases Oracle Database 12c Release 2,  make sure you do not use Oracle Database 18c as it is not supported by JCS

Note: In order to use a Oracle Database Cloud Service – Virtual Image database deployment when creating an Oracle Java Cloud Service – Virtual Image instance, you must set up the Oracle Database Cloud Service environment appropriately. Otherwise, Oracle Java Cloud Service instance provisioning fails.

Step 1: First choose the Database Software edition as the standard edition, it delivers unprecedented ease of use, power, and performance for workgroup, department-level, and Web applications. It includes all the facilities necessary to build business-critical applications.

Step 2: Create the Database type as a single instance, A single Oracle Database instance and database data store hosted on one compute node.

Image may be NSFW.
Clik here to view.

Click Next

Step 3:  Choose the computing power for the associated compute node or nodes from a list of supported OCPU (Oracle CPU) and processor RAM combinations.

For more details check the Pricing VM. Standard shapes in the Compute – Virtual Machine Instances table are available in Oracle Database Cloud Service.

Step 4: Choose the amount of usable data storage you want for your database.

Step 5: Choose Automatic Backup Configuration

Image may be NSFW.
Clik here to view.

Note: In order to get the SSH public Key Please click here

Click Next

Image may be NSFW.
Clik here to view.

Create Oracle Cloud Database Service may take 40-45 minutes

Once creation completes, you will see Service Status changed from Creating Service to Ready. Don’t forget to stop Database Cloud Service at end of this document after using it else
you will dry up your 300 USD Credit in few days.

Adding an SSH Public Key

Add a new SSH public key to a service instance if the SSH private key that you use to access the service instance becomes lost or corrupted.

Creating an Object Storage Container

If you enable backups on an Oracle Java Cloud Service instance, backups of the service instance are stored in an object storage container

For creating an object storage container for an Oracle Java Cloud Service instance vary depending on whether you create the instance in Oracle Cloud Infrastructure Classic or Oracle Cloud Infrastructure.

Once you create the Database deployment, SSH Keys, Object Storage Container then set up the database environment according to your database release.

You can now successfully create an Oracle Java Cloud Service – Virtual Image instance using the Oracle Database Cloud Service – Virtual Image database deployment.

What is the Difference Between JCS V/S JCS – VM?

1. JCS is Full Featured service though JCS – VM is simple, hosted Weblogic Instance, Oracle controlled, updated.
2. JCS – VM service level does not support backup and restoration; patching; or scaling. You cannot provision a domain partition if you specify this service level.
3. You cannot specify an application schema database if your software edition is Oracle Java Cloud Service—Virtual Image.

Image may be NSFW.
Clik here to view.

Oracle recommends using Oracle Java Cloud Service rather than Oracle Java Cloud Service—Virtual Image for better flexibility, control, and rapid availability of new features.

Future is Java Cloud Service – SaaS Extension, Designed for building extension to one of the Oracle Software as a Service Offering Like Oracle Sales Cloud, Oracle Service Cloud, Oracle Marketing Cloud and so on..

The full JCS offering seems the most logic one to use for full customizations.

Image may be NSFW.
Clik here to view.

This post is from our Oracle Java Cloud Service – Weblogic on Cloud, in which we cover  AdminTool,  JCS Instance,  Configure & Deployment, Monitoring, Security, AppToCloud & Logt More.

References

• https://docs.oracle.com/en/cloud/paas/java-cloud/jscug/design-considerations-oracle-java-cloud-service-instance.html
• https://docs.oracle.com/en/cloud/paas/java-cloud/jscug/you-begin-oracle-java-cloud-service.html#GUID-D0ACADB5-2415-450C-AE6A-0600752BDBA0
• https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/create-db-deployment.html

Related Post:

• JCS Overview and Create Quick JCS Instance: Weblogic on Cloud Click Here

Next Task For You

Click on the image below to download your FREE Guide, 5 Java Cloud Serice Docs, Every Oracle DBA, Cloud DBA or Weblogic Administrator Must Read, & Learn More.

Image may be NSFW.
Clik here to view.

The post JAVA Cloud Service Offerings : JCS VS JCS – Virtual Image Instance appeared first on Oracle Trainings.

This Post Covers how to synchronize  AD users to OID who actually wants  EBS application and OBIEE Application with MS – AD Integration by our trainee Firoz-Hussain  from our Oracle EBS -OAM Integration Training. He did the brilliant job and successfully able to propagate the users from custom Container to EBS FND_USER. Firoz is part of our more than 10+ various training program and a VIP Member of K21 Trainings

Let’s Discuss here what all issues and challenges he faced in this use case and how he troubleshoot and fix the issue which may come while propagating the user from the custom container to EBS FND_USER.

Requirement :

You have user who will access OBIEE and EBS applications and some users will use both applications and to perform this create one custom container for EBS users, and for OBIEE users let it come to Users container in OID.

Step 1: Extend AD with one custom attribute and attach to the users who want to access EBS application and have to synchronize that users to OID filtering with the help of extended AD attribute

we set the following in profile users at AD having employeeNumber attribute value starting with X will be mapped to OID. orclodipcondirmatchingfilter=searchfilter=(|(objectclass=group)(objectclass=organizationalunit)(&(objectclass=user)(employeeNumber=x*)(!(objectclass=computer)))) —- with this he used the criteria to avoid service accounts and only employees accounts will come to OID

Example: From Firoz how he created one custom attribute called “ebscustom” in AD and added to one user and in filter tab of synchronization profile of DIP and included in syntax, that’s worked
searchfilter=(|(objectclass=group)(objectclass=organizationalunit)(&(objectclass=user)(ebscustom=MOCK)(!(objectclass=computer))))

Issues Encounter:

1. After populating users from AD who will access EBS application only, he extended AD with one custom attribute called ebscustom, based on this custom attribute given in synchronization profile of DIP able to populate EBS users in cn=ebsusers,dc=hussain,dc=net.
2. Now, here actual issue raised, from cn=ebsusers,dc=hussain,dc=net the users are not getting provisioned to EBS fnd_user from OID, as his provision type was 4.
3. But when he populate EBS users to cn=Users,dc=hussain,dc=net then able to provision users from OID to EBS fnd_users, but not able to provision from cn=ebusers,dc=hussain,dc=net to EBS fnd_user.

Image may be NSFW.
Clik here to view.

4. So, decided to enable debug on DIP and also EBS, after enabling debug he got the issue error from DIP log as

———-NEW EVENT STATUS ——————–

Event ID : 84659

Object GUID : null

Error Code : -1400

Error String : ORA-01400: cannot insert NULL into (“APPLSYS”.”WF_ATTRIBUTE_CACHE”.”ENTITY_KEY_VALUE”)

Error Disp : EVENT_ERROR

Troubleshooting:

• This issue is a BUG on Oracle support  but related to this BUG there is no patches or solution

Bug 5001589 : ORA-01400: CANNOT INSERT NULL INTO “APPLSYS”.”WF_ATTRIBUTE_CACHE”.”ENTITY_KEY_VA

• On Oracle Support, this bug says that provisioning of users from OID to EBS is looking only for container cn=Users,dc=hussain,dc=net. (Example from Firoz Use Case)
• it’s looking for only Users container is , from attribute orclCommonUserSearchBase, you can found that in cn=common,cn=Products,cn=OracleContext,dc=hussain,dc=net, you have to add the cn=ebsusers,dc=hussain,dc=net (Custome Attribute Entry) in that attribute.

(Use Case from Firoz Screen)

Image may be NSFW.
Clik here to view.

• After this change, he was able to propagate users from OID to EBS fnd_user.

Steps to Perform after adding the Custom attribute under orclCommonUserSearchBas:

(Note: This is an Example just to show you how Firoz did his Final Test to propagate users from OID to EBS fnd_user from his Custom Attribute.)

1. created a user called ADTEST30 in MSAD, in turn, it will populate to OID in cn=ebsusers,dc=hussain,dc=net and in turn, it will propagate to EBS fnd_user

Image may be NSFW.
Clik here to view.

Image may be NSFW.
Clik here to view.

Did You Find this Blog useful?

or

What more, Blog on technical issues you want to see ???

Leave a Comment.

We provided a dedicated module for Troubleshooting where we cover Logging in WebGate, OHS, EBS Accessgate, DIP, OAM, and OID in our EBS-OAM/OID Integration Training, more about training here

Watch out our FREE Facebook Live session with Oracle ACE & Author Atul Kumar,  On Oracle EBS (R12) Integration with Microsoft Active Directory (MS-AD), OAM/OID/OVD for Single Sign-On : Customer Case Study & Lessons Learned. Click Here

Related Post

• Integration of E-Business suite with Oracle Single Sign-on click here
• Overview of Single Sign-On Integration Options for Oracle E-Business Suite Click Here
• Oracle Single Sign-on for Apps DBA Click Here
• EBS-OAM Integration: OAMSSA-20142: Authentication Failure for OID user Click Here
• [Video] Oracle EBS R12 – OAM/OID/OUD Integration: Request Flow & Troubleshoot Login Errors Click Here
• [Video] EBS (R12)-OAM/OID/OUD Integration for SSO: Architecture & Components Click Here
• Oracle EBS R12.2-OAM Integration: Internal Error: Webgate allowed access to protected page GUID=null Click Here

(If you are not yet the member of our Facebook K21Academy Page Click Here to get subscribed)

If you have not yet downloaded FREE eBook – 7 Docs every Oracle Apps DBA must read for EBS R12 integration with OAM/OID for SSO get a copy in your Email

Image may be NSFW.
Clik here to view.

The post Bug 5001589 : Users propagation from OID to EBS 12.1.3 Custom Container appeared first on Oracle Trainings.

This post gives you the high-level Overview of cloning Oracle E-Business Suite on Oracle Cloud Infrastructure (OCI).  For those who are new with Cloning, it is the process of creating a copy of an existing Oracle E-Business Suite system. Cloning is one the most common task that AppsDBA does.

Note: OCI is part of IaaS Service model (other 2 Cloud Service models are SaaS & PaaS), where OCI is re-branding of Bare Metal Cloud Service (BMCS)

Overview of Cloning in Oracle Cloud

As till now, we know about the Fast cloning feature of OCI-Classic Model where if your database is on Compute Infrastructure then using Fast cloning feature we can create the EBS Clone in minutes. I remember it took around 27 mins for me to create a clone of Non-Vision Instance. It uses snapshot technology and creates a copy of disks.

Using the concept of Cloning on OCI recently new feature on the similar line but in an automated way is now for EBS on OCI which uses Block Volume Cloning.  We all know what Block Storage is, still a quick one here, it is highly scalable and dynamically provisioned storage based on NVMe technology and once attached to the instance it is like normal hard-drive. To know more on various storage details Click Here. &  Object Storage Service in Oracle Cloud Infrastructure (OCI)

Block Volume Cloning is point-in-time disk-to-disk deep cloning method. This is different from Snapshot

• Snapshot takes the backup and with this backup is restored to the instance to see the details. So it’s 2 step process. But in case of Cloning, it makes a copy of the existing block volume directly, without backup and restores the one-step process.
• Snapshot is dependent on the source volume but one Block volume is cloned it is independent of the source volume.
•  Very high-level Overview of this Automated Cloning process, what it does and what happens is :

Very high-level Overview of this Automated Cloning process, what it does and what happens is?

Image may be NSFW.
Clik here to view.

Image may be NSFW.
Clik here to view.

Pre-requisites

• All instance created using Cloud admin tool, either Provisioned or Lift and shift.
• Application and Database on OCI compute.
• For EBS on OCI, we can use this option using Cloud Admin Tool on OCI and under Cloning Environment option where you need to provide source and target environment details. Once all details furnished it will automatically clone the instance. The latest version of the Cloud Admin Tool currently is 18.2.1.1

Note: EBS Cloud Admin Utility is used to provision, manage & integrate Oracle E-Business Suite R12 on Oracle Cloud)

Navigation

• OCI Cloud Admin Tool -> Manage Environment-> Clone Environment.
• Overall this is one of the fast methods to create the clone and within minutes Cloned instance is ready to use.

Finally, we need to have knowledge of OCI and EBS on Cloud to run EBS on OCI as basic preparation of OCI for Deploying Instance and Provisioning, Migration and Maintenance of Oracle ERP – you need to have knowledge of EBS from Cloud Perspective. Please have a look at our:

• EBS on Cloud Beginners training
• EBS on Cloud Advance training

Reference:

Automated EBS Cloning for OCI Compute (Click Here)

Related/Further Reading

If you are new to Oracle Cloud Infrastructure (OCI) then I would suggest you look our previous blog by Atul on Oracle Cloud Infrastructure (OCI): Region, AD, Tenancy, Compartment, VCN, IAM, Storage Service

Another offering in IaaS from Oracle is OCI-Classic (or OCI-C) and to find the difference between two and when to use what, Check my previous post OCI vs OCI-C here

If you are just starting out in Cloud then I highly recommend you to go through these first

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• If you are confused to pick Amazon AWS or Oracle Cloud then check this
• To check tasks performed by DBAs in Cloud here
• To check tasks performed by Apps DBAs in Cloud here
• Oracle E-Business Suite (R12) On OCI for Apps DBAs (Click here)

Did You Start Your Oracle Cloud Journey?   Get a FREE Copy in your Inbox with Steps to Register for Oracle Cloud and get 300 USD FEE Credit to Practice

Image may be NSFW.
Clik here to view.

The post E-Business Suite (EBS) on OCI | Block Volume Cloning | Automated Way appeared first on Oracle Trainings.

In this video, we are going to look at Oracle Weblogic Admin Server and Managed Server.

For those who are new, Administration Server is a WebLogic Server instance that maintains configuration data for a domain and Managed Server is an instance of your WebLogic server that is running on JVM and has its own configuration. To know in detail about Weblogic Admin Server and Managed Server, go through the video below.

If you are a beginner and want to learn Oracle Weblogic Server Administration then check our blog post here, where we covered Weblogic Domain Home and Server.

What is an Admin Server:

• Admin server is the central point from where you can configure, Monitor and manage all resources of a domain.
• It is a WebLogic Server instance that maintains configuration data for a domain.
• We can deploy our application on administration Server but it is recommended to create managed Server and deploy your application in managed server and leave Administration domain for configuration and maintenance.
• There will always be at least one Administration Server in a domain.
• Admin Server is a Singleton Service.

What is a Managed Server:

• Managed Server is an instance of your WebLogic server that is running on JVM and has its own configuration.
• In a Managed server, we will deploy the java components i.e Web Applications, EJB Applications, JMS Applications and Web services.
• There will always be Zero to N Managed Server per domain.
• Managed Server is Independent of other servers unless they are in the cluster.

How Admin and Managed Server related to each other:

• An admin Server stores master configuration of the domain including Managed Servers configuration.
• Each Managed Server stores a local copy of the config.
• For only first time Managed Server startup, Admin Server should be running.
• On subsequent Managed Server startup, it connects to Admin Server to synchronize configuration.
• If Admin Server is not available at start-up, Managed Server boots with its local copy.

Can we start a Managed Server if the Administration Server is Unavailable:

By default, if a Managed Server is unable to connect to the specified Administration Server during startup, it can retrieve its configuration by reading a configuration file and other files directly. We cannot change the server’s configuration until the Administration Server is available. A Managed Server that starts in this way is running in Managed Server Independence Mode.

So this is all in nutshell about Oracle Weblogic Admin Server and Managed Server. Please go through the video to know in detail.

We cover this in one of the modules of our Oracle WebLogic Training, where we also cover Architecture, File System, JDBC, JMS, HA, Clustering, Security, Patching, Upgrade, Backup, and Recovery etc.

Did You Find this Video useful?

Leave a Comment.

Related Posts

• [Video] Oracle Weblogic Server: Weblogic Admin Tasks & Tools. Click Here
• Troubleshooting Oracle Weblogic Server: Startup Issue: OutOfMemoryError PermGen Space. Click Here
• [Video] Oracle WebLogic Administration: Weblogic Domain Topology. Click Here
• [Video] Oracle WebLogic Administration: Weblogic Domain Home and Server, Click Here

Join Community

Join 3500+ Oracle Professionals like you to discuss Oracle Weblogic Server, Ask Questions or Help Others in Private Facebook Group for Oracle Weblogic Server

What’s Next

• What are Clusters?
• What is a Dynamic Cluster?

Leave a comment if you know answers or if you want to know an answer to these questions (share which one) and If I see enough questions then I’ll cover about WebLogic Servers.

If you planning to Learn WebLogic Server or would like to check some of the common Oracle WebLogic Interview Questions then get them from down below.

Image may be NSFW.
Clik here to view.

The post [Video] Oracle WebLogic Administration: Admin Server and Managed Server appeared first on Oracle Trainings.

This post gives you the high-level overview of Various Storage Option available in  Oracle Cloud Infrastructure (OCI). This the post is for beginners as Well for Professionals who are just starting to Learn Oracle Cloud Infrastructure.

Note: OCI is offering a form of IaaS Service model (other 2 Cloud Service models are SaaS & PaaS), where OCI is re-branding of Bare Metal Cloud Service (BMCS).

This Video is from our OCI Training in which Oracle ACE Atul Kumar has given a high-level overview of various Storage option available in Oracle Cloud Infrastructure (OCI).

Overview of Various Storage option Available in Oracle Cloud Infrastructure

Oracle Cloud Infrastructure offers three main storage service

Block Volume Service

• Block storage operates at the raw storage device level and manages data as a set of
  numbered, fixed-size blocks using protocols such as iSCSI.
• Block Volume Service lets you dynamically provision and manage block storage
  volumes.
• You can create, attach, connect, and move volumes, as needed, to meet your storage
  and application requirements.

Object Storage Service

• Object storage is independent of a server and accessed over the Internet
• Data is managed as objects using an API built on standard HTTP verbs
• It is an ideal storage platform to store very large amounts of data
• Object storage is replicated across Availability Domains within a region to ensure availability and durability.
• In Order to deep-dive more into Object storage please check our previous blog on Storage Service in Oracle Cloud Infrastructure (OCI)

Local storage

• Local NVMe-based SSD storage with very high IOPS and low latency is available for the Storage Optimized Instance Type  (e.g. BM.DenseIO2.52).
• NVMe (non-volatile memory express) is a host controller interface and storage protocol created to accelerate the transfer of data between enterprise and client systems and solid-state drives (SSDs) over a computer’s high-speed Peripheral Component Interconnect Express (PCIe) bus.
• Local NVMe SSDs provide very high-performance storage and are ideal for the most demanding workloads. You can get more information on NVMe SSD performance in the specification here.

Image may be NSFW.
Clik here to view.

Bare Metal Cloud  Block Volume

Persistent storage for compute instances:

• Can be detached,
• then attached to a new compute instance
• Data at rest is always encrypted
• Service is local to Availability Domain

Backups

• Backup to regional object storage (regional service)
• New volumes can be created from those backups

Backed by enterprise-grade storage

• Disk mirroring to enhance durability, availability

Performance

• The service offers 60 IOPS per GB and scales linearly

Image may be NSFW.
Clik here to view.

Block Volumes Clones

Fast cloning: clone a block volume in a few seconds, regardless of the volume size (50 GB to 16 TB)
while the cloned volume is being created or access, there is no impact on the original volume
up to 10 clones at the same time.

Block Volume Service Components

The components required to create a volume and attach it to an instance are briefly
described as follows:

Instance: An Oracle Cloud Infrastructure compute host
iSCSI: A TCP/IP-based standard used for communication between the instance and the
attached volume
Volume:

• Block Volume: A detachable block storage device that allows you to dynamically
  expand the storage capacity of an instance
• Boot volume: A detachable boot volume device that contains the image used to boot
  a compute instance.

File Storage Service (FSS)

• Fully managed file storage service
• NFS3 along with Network Lock Manager (NLM)
• Starts from few KBs to 8 Exabytes (EB)
• Data & Metadata are encrypted at rest
• Using a snapshot feature, you can create up to 10,000 read-only snapshots per file system
• Create and manage file storage using Console, REST APIs, CLI, and Terraform

If you have an existing Oracle Cloud Infrastructure tenancy, it’s easy to get started. Simply create a new File System, by selecting “File Systems” under the Storage menu.

Image may be NSFW.
Clik here to view.

Data Transfer Service

• Offline Data Migration Service that lets you securely move petabytes-scale datasets from customer’s data center to Object/Archive Storage on OCI
• Data Transfer service should be used when uploading using public internet connection is not feasible like Large Data or Slow speed
• Data Transfer Service is also an option when FastConnect is not an option
• FastConnect is recommended when you regularly need fast connectivity between On-Premise and Cloud whereas DTS is for one-offs
• Recommendation for using Data Transfer Service is when upload takes longer than 1-2 weeks

How does Data Transfer Service work? 

If you have established an Oracle Cloud Infrastructure tenancy, you are eligible to use the Data Transfer Service. To use the Data Transfer Service, you need to follow the following 6 easy steps to upload the data.

Image may be NSFW.
Clik here to view.

Related/Further Reading

If you are just starting out in Cloud then I highly recommend you to go through these posts first:

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• If you are confused to pick Amazon AWS or Oracle Cloud then check this
• Check tasks performed by Oracle DBAs in Cloud here

This post is from our Course “Oracle Cloud IaaS – Oracle Cloud Infrastructure (OCI) Architect” with 1 Years On-Job Support and  1 year Unlimited FREE Retakes (If you need to know more about this program then reach out to our team at contact@k21academy.com )

Next Task

• Follow Oracle Cloud Infrastructure (OCI) concepts like Region, Compartment, VCN, Storage, Availability Domain etc
• Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database or PaaS Offerings on Cloud

Image may be NSFW.
Clik here to view.

The post [Video]:Oracle Cloud Infrastructure (OCI) | Storage Object, Block | File Storage, Data Transfer Service| appeared first on Oracle Trainings.

In this post we are going to cover, Rapid Clone – Basic Steps of Oracle E-Business Suite R12.2 and it is one of the Lessons from our Oracle Apps DBA (R12.2) Training.

For those who are new with Cloning in Oracle E-Business Suite (R12):

• The method of creating an identical copy of an existing Applications system
  • To create a test system from a Production System
  • To create a training system
  • Move an existing system to another machine * binary compatible
• You can clone to a binary compatible platform
  • E.g.: AIX 4.3.3 to AIX 5.1
    or
    HP-UX 11.0 to HP-UX 11i
• You cannot clone to a different Platform:-
  • E.g.: AIX to SOLARIS

To know more about cloning check here 10 Key points every Apps DBA must know while cloning

For Database cloning in R12 using RMAN backup, please refer our previous post: Oracle EBS (R12): Database Cloning from RMAN backup

Note:  Video starts with topics we are planning to cover in this 9 Lesson Module on Cloning in R12.2 Training

Rapid Clone:

It is a new cloning method introduced in 11.5.8 and still existing with the latest version – R12.2 (latest 12.2.7). Rapid Install 11.5.8 + uses Rapid Clone technology and no separate Target instance is required. It recreates the oraInventory for the Target System and also preserves the Patch History. Cloning via OAM will NOT be an option in R12.

Rapid Clone: Prerequisites

For the TARGET

• If Cloning for the First time on the New Server
• All the pre-requisite of the Installation will be needed
• Make sure, oracle-ebs-server-R12-preinstall-1.0-7.el6.x86_64 is installed is using OEL versions.

On the Source

• Techstack Patches – AD-TXK Delta 6 or Lower Codelevel – Two Step Cloning
• Techstack Patches – AD-TXK Delta 7 or Higher Codelevel – One Step Cloning
• EBS Technology Codelevel Checker (ETCC) – [Database and MiddleTier]
• Provide 2 “scripts “checkDBpatch.sh” and “checkMTpatch.sh”

If you are new to Oracle AppsDBA or already working as Apps DBA but on version 11i or R12.1 then suggest you first go through with below FREE videos on EBS R12.2 from Oracle ACE, Author, and Oracle Apps Expert Atul Kumar. 

Our Training for Apps DBAs consists of 11 modules and each Module has around 5-13 Lessons.

• [Video] Oracle Apps DBA (R12.2) Architecture
• [Video] Oracle Apps DBA (R12.2) Installation: FREE Training
• [Video] File System in Oracle E-Business Suite R12.2: Dual, APPL_TOP, INST_TOP, COMMON_TOP, FMW_HOME
• [Video] Oracle Apps DBA (R12.2) Services: Start/Stop
• [Video] Oracle Apps DBA (R12.2) Patching (ADOP): FREE Training

Reference: 

• Cloning Oracle E-Business Suite Release 12.2 with Rapid Clone (Doc ID 1383621.1)
• Multi Node Cloning Oracle E-Business Suite Release 12.2 (Doc ID 1375769.1)
• Cloning Oracle E-Business Suite Release 12.2 Environments integrated with Oracle Access Manager 11gR2 (11.1.2)  (Doc ID 1614793.1)

This post is from our Oracle Apps DBA (R12.2) Training, in which we cover  Architecture & Changes in Oracle E-Business Suite R12.2, Staging & Installation, File System & Important Files in R12.2, Start/Stop, Patching, AD Administration, Cloning, Concurrent Managers, AutoConfig, Password Management and Troubleshooting and much more.

Next task for you

Download Your Free Guide by clicking on the below image down learn Cloning in EBS R12 for Apps DBA Image may be NSFW.
Clik here to view.

Are you having any queries or hitting any issues in R12.2 cloning?

If you like this post then don’t forget to share with your Apps DBA Friends

The post [Video] Oracle Apps DBA (R12.2) Cloning: Basic Steps appeared first on Oracle Trainings.

In this blog post, we are going to cover about the steps to delete a database deployment and If you are new to Oracle Cloud then, refer to our previous blog, where Oracle ACE, Atul Kumar is showing the demo on the Steps to Register For FREE Oracle Cloud Trial Account

So first of all, let’s discuss what happens when you delete a database deployment and here it is:
1. The database deployment terminates the Oracle database which gets dropped.
2. The compute node get deallocated.
3. All backups to Oracle cloud storage are deleted (if any of the backups is enabled).

Database deployment can be deleted using three methods:
1. Oracle DBCS console
2. REST API
3. Oracle-dbcs-cli utility

Image may be NSFW.
Clik here to view.

Note: The option to delete the backups associated with the database deployment only exists for deployments that are created using Database Cloud Service release 17.1.5 or later.

Image may be NSFW.
Clik here to view.4. Now if you go to the Activity section. From there, you can see the status of what is happening for that particular instance.

Image may be NSFW.
Clik here to view.
So that’s all aout deleting a dbcs instance. Once deleted, the entry is removed from the list of database deployments displayed on the Oracle Database Cloud Service console.

This post is from one of the modules of our  DBA to Cloud DBA course. So to learn more and earn higher or upgrade your skills then check out our DBA to Cloud DBA course where we cover cloud Overview & Concepts, Cloud Services,Create Database,Security, Storage Cloud & REST API,Management Tools: DBaaSCLI, DBCSCLI, EMExpress, Backup & Recovery DB in Cloud, Migrate On-Premise DB to Cloud, Hybrid Cloud Management using OEM CC 13c, Performance Management and much more.

Download our Step By Step Guide to Create Oracle Cloud Account and Create Your first Oracle Database on Cloud.

Related/Further Reading

If you are just starting out in Cloud then I highly recommend you to go through these posts first

• Cloud for Beginners (Facebook Live): SaaS | PaaS | IaaS and which one is right for DBAs.
• 12 Point Checklist for DBA for Beginner to Expert Cloud DBA (Facebook Live)
• If you are confused to pick Amazon AWS or Oracle Cloud then check this
• Check tasks performed by Oracle DBAs in Cloud here

Did You Start Your Cloud Journey?   

Get a FREE Copy in your Inbox with Steps to Register for Oracle Cloud and get 300 USD FEE Credit to Practice and Join our Private Closed Facebook Group for Oracle Cloud Community

Image may be NSFW.
Clik here to view.

The post Oracle Database Cloud: Steps to delete database deployment appeared first on Oracle Trainings.

If you are working on Oracle WebLogic Administration or planning to move on the cloud then in this blog post I have covered the exact same tasks & Sneak Peek of What You should do to Configure and use WebLogic Server and Oracle Traffic Director in your Java Cloud environment including with some more benefits like:

• when you are considering, planning, in the process of, or have moved from an on-premises environment to Java Cloud Service, then this is a great place to get started!
• if you are currently running WebLogic Server on-premises are not moving to the Oracle Cloud

Let’s see the below Guides which are required to an overview of the administrative tasks performed by a Java Cloud and WebLogic Server administrator.

1. Activity Guide I: Register to Oracle Cloud Account

To Perform any administration task on the cloud you need To Register on Oracle Cloud and get FREE 300 USD credit to Practice, Shop for Appropriate Cloud Service, Logging in First Time to Oracle Cloud, & Generating SSH Keys ( Public & Private )Image may be NSFW.
Clik here to view.

2. Activity Guide II: Create & Access JCS Instance

Once you have your own Cloud account you should create and access the JCS Instance and Validating Java Cloud Service configuration & Accessing Java Cloud Service Management Consoles and Fusion Middleware Control.

you should know about WebLogic configuration & to Identifying and configuring Java Cloud Service ports and access rules.Image may be NSFW.
Clik here to view.

3. Activity Guide III: Starting & Stopping Services

After Creating JCS Instance Administrator should be able to Compare starting/stopping WebLogic Server at the Java Cloud Service and Server instance levels and Starting and Stopping Java Cloud Service VMs and their associated WebLogic Server instances via Java Cloud Service Dashboard.

you should know how to  Customize start and stop scripts and lot more..
Image may be NSFW.
Clik here to view.

4. Activity Guide IV: Deploying Application

After Completing prerequisite like Creating JCS Instances, starting & stopping servers you should know what are Java EE deployment components and how to deploy any an application also test the developed application and monitor it.

Image may be NSFW.
Clik here to view.5. Activity Guide V: Managing & Monitoring JCS

This is a very important guide for an Administrator after deploying an application and how to Analyzing Java Cloud Service monitoring metrics, Configuring Alert Rules, Scaling Java Cloud Service instances, Backing up and restoring Java Cloud Service instances, Patching a Java Cloud Service instance & Managing Java Cloud Service instance using CLI and REST API.

Image may be NSFW.
Clik here to view.6. Activity Guide VI: OTD : Create, Configure , Enable and Disable Load Balancer instance

Next task is to Configure Oracle Traffic Director – the high-performance and multitenant-aware load-balancer for all application traffic. In this Guide we will be Creating Load Balancer instances, Configuring Load Balancer instance, Enabling and disabling Load Balancer & Monitoring Load Balancers.

Image may be NSFW.
Clik here to view.

7. Activity Guide VII: Creating new Java Cloud Service users and assigning roles

you should also know how to Create new Java Cloud Service users and assigning roles, Creating new Java Cloud Service users and assigning roles, Adding custom roles & Contrasting Java Cloud Service, VM host, and WebLogic users.Image may be NSFW.
Clik here to view.

8. Activity Guide VIII: Migration to Java Cloud Service and Database Cloud Service

At the end Migration to Java Cloud Service and Database Cloud Service, Performing a Health Check, export a WebLogic Server Domain Using AppToCloud, import exported WebLogic Server Domain

Image may be NSFW.
Clik here to view.

The post Oracle Weblogic on Cloud Training (JCS) : Step by Step Hands-On Lab Exercise appeared first on Oracle Trainings.

This post covers the first & most important things you should know before starting your cloud journey ie. What is Cloud Computing?,  characteristics of Cloud Computing and Cloud Service Models.

In the below Video, I have started with the basics of Cloud Computing, characteristics of cloud computing, Cloud Service Models ie. SaaS, PaaS & IaaS

What is Cloud Computing?

Cloud Computing is the delivery of computing services over the internet.  Where computing services include Storage, Server, Application, Networking, Database etc. Cloud computing provides a simple way to access servers, storage, databases and a broad set of application services over the Internet. A cloud services platform such as  Oracle, Amazon, Microsoft Web Services owns and maintains the network-connected hardware required for these applications services, while you provision and use what you need via a web application.

Next Question which I generally get from my Students is,  as we are already managing things on managed based services ie. on-premise then why we need to adopt or choose cloud computing.

Characteristics of Cloud Computing

Multi-Tenant: Multi-tenancy is an architecture in which a single instance of a software application serves multiple customers. Each customer is called a tenant.

Self-Sevice: Self-service cloud computing is a form of private cloud service where the customer provisions storage and launches applications without going through an external cloud service provider. With a self-service cloud, users access a web-based portal, where they can request or configure servers and launch applications.

Elastic (Scale-Up | Scale-Down): Elasticity is the ability to grow or shrink infrastructure resources dynamically as needed to adapt to workload changes in an autonomic manner, maximizing the use of resources. This can result in savings in infrastructure costs overall

Web-Based: It means you can access your resources via Web-Based applications.

Automated: Most of the things in Cloud is automated, and human intervention is less.

Pay As You Go Model: It means you only have to pay when you utilizing the cloud resources.

Modern Web-Based Integration:  It allows you to configure multiple application programs to share data in the cloud. In a network that incorporates cloud integration, diverse applications communicate either directly or through third-party software.

Secure

Image may be NSFW.
Clik here to view.

Various Cloud Vendors

Image may be NSFW.
Clik here to view.

Cloud Computing Service Models

• Infrastructure as a Service (IaaS): Infrastructure as a Service (IaaS) contains the basic building blocks for cloud IT and typically provide access to networking features, computers (virtual or on dedicated hardware), and data storage space.
• Platform as a Service (PaaS): Platform as a Service (PaaS) removes the need for your organization to manage the underlying infrastructure (usually hardware and operating systems) and allows you to focus on the deployment and management of your applications.
• Software as a Service (SaaS): Software as a Service (SaaS) provides you with a completed product that is run and managed by the service provider. In most cases, people referring to Software as a Service are referring
  to end-user applications.

Image may be NSFW.
Clik here to view.

Which Cloud Service Model To Learn?

One of the most common questions which I get from my students is which Cloud service Model should I learn?

So, If you are DBA, Apps DBA, System Administrator you should learn both which is IaaS (Infrastructure as a Service) and PaaS (Platform as a Service) the reason is because whatever you building or deploying is over Infrastructure as a Service ie. PaaS always runs on top of IaaS that’s the reason you should have the knowledge of both.

If you are working as a consultant such as a financial consultant or working on a packaged application such as HRMS, SAP etc you should learn SaaS (Software as a Service)

Next Task For You

• 7 Days FREE Trial to Start Your Oracle Cloud Journey
• Role of DBA in Cloud
• Amazon AWS or Oracle Cloud (Confused ?): Right Choice for DBA’s
• Role of Oracle Apps DBA in Cloud

Image may be NSFW.
Clik here to view.

The post [Video]Cloud Service Model: SaaS | PaaS | IaaS appeared first on Oracle Trainings.