New Schema in EBS (R12.2): ORACLE_SYSTEM

In this blog post, we are going to discuss the new Schema being added in EBS R12.2 as a part of AD-TXK Delta 13 i.e. EBS_SYSTEM that modernizes the Oracle E-Business Suite database architecture.

EBS_SYSTEM Schema

• In AD-TXK Delta 13 with 12.2.11 onwards, Oracle introducing a new schema, EBS_SYSTEM, which is similar to the Oracle Database’s SYSTEM schema.
• Prior to the introduction of the EBS_SYSTEM schema, Oracle E-Business Suite installed application objects in the Oracle Database SYS and SYSTEM schemas. These objects (based on object types & functions) are now moved to EBS_SYSTEM, APPS, or APPS_NE schema
• Highly privileged operations that were previously run by the SYS or SYSTEM accounts are now run by EBS_SYSTEM.
• All Oracle E-Business Suite administration actions (such as adop, adadmin and other utilities) are now performed by EBS_SYSTEM.
• Migration to the EBS_SYSTEM schema makes it possible to separate the role of the Oracle E-Business Suite system administrators from database administrators.
• Post-migration to EBS System Schema (EBS_SYSTEM), the APPS schema will no longer have the ability to create database directory objects. Database directory objects are now created by the EBS_SYSTEM user.
• Minimum version for EBS_SYSTEM schema is 12.2.3 so for 12.2.3-12.2.10 apply EBS Schema Migration Consolidated patch.
• To migrate to EBS_SYSTEM schema follow Oracle Support Note 2755875.1 Oracle E-Business Suite Release 12.2 System Schema Migration

Related/Further Readings

• https://docs.oracle.com/cd/E26401_01/doc.122/e22949/T120505T120510.htm
• 2755875.1 Oracle E-Business Suite Release 12.2 System Schema Migration
• 2758999.1 FAQ: Oracle E-Business Suite Release 12.2 System Schema Migration

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