Upgrade Oracle 11g/12c Database to 19c with EBS R12.1/R12.2

Below are the highlited steps to upgrade your Oracle 11g/12c Database to 19c with EBS R12.1/R12.2

1. Install Oracle Database 19c Binaries

2. Apply additional 19c RDBMS patches

3. Apply 19c interoperability patches on application R12.1/R12.2

4. Create an empty container database (CDB) without a PDB

5. Run pre-upgrade diagnostic reports

6. Upgrade the database from 11g/12c to 19c using DBUA

7. Perform post Database Upgrade steps (run post fix-up script)

8. Convert Database to Multitenant Architecture (Non-CDB to PDB)

9. Perform Post Database upgrade steps

Most of the steps are similar to earlier upgrades (11g to 12c) and straightforward.

The only tricky part in 19c is converting the Database to Multi-tenant architecture which has to be done cautiously. In database 19c version Multi-tenant conversion is compulsory.

Some 19c based articles:

Oracle EBS R12 with Database 19c - Administration

UTL_FILE_DIR Desupported with Oracle Database 19c

Thanks You !!