Saturday 6 February 2016

Oracle 12.1.0.2.0 - Applying Patch 20228093: MATERIALIZED VIEW DEFERRED MODE ORA-00918: COLUMN AMBIGUOUSLY DEFINED

Oracle 12.1.0.2.0 - Applying Patch 20228093: MATERIALIZED VIEW DEFERRED MODE ORA-00918: COLUMN AMBIGUOUSLY DEFINED

- Download Patch 20228093 (p20228093_121020_Linux-x86-64.zip)

- Ensure environment variables are set, latest opatch version is used 12.1.0.1.4 or higher and Oracle home has Database 12.1.0.2.0 installed.

- Unzip the patch

$ unzip p20228093_121020_Linux-x86-64.zip

- Check for conflicts

$ cd 20228093

$ opatch prereq CheckConflictAgainstOHWithDetail -ph ./


Applying Patch 20228093

- Shutdown all services

- Run opatch apply

$ cd 20228093

$ opatch apply

- Verify patch applied

$ opatch lsinventory |grep 20228093

- Start all services

Patch rollback steps

If any issues after applying the patch and rollback is required, follow below steps

- Stop all services

- Run opatch rollback

$ opatch rollback -id 20228093


- Restart all services

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