This document provide Steps how to Upgrade EBS DB from 11g to 12c.

1. Introduction:-
Oracle E-Business suite R12.2 is shipped with Oracle Database Version 11.2.0.3. There will be always a
requirement for upgrading your database to latest available release for fixing bug.
APPS Host Details diperpapp.etabadul.com
DB Host Details diperpdb.etabadul.com
EBS Version R12.2.4
Database Version 11.2.0.3
Steps for Upgrade:-
1. Install 12cR1 RDBMS Software
2. Create /nls/data/9idata directory
3. Install all pre-requisite Database and Application patches.
4. Use DBUA for upgrading database.
 Install 12cR1 RDBMS Software.

2. This step for oracle support security update, it’s optional.

3. Check the database security update now, we choose to skip software updates.

4. First Option because our development setup include single node.

5. Choose product language by default English

6. Database Edition Type, our license is Enterprise edition

7. Setup Path for database

8. From the previous page press next and the installation will start, we only installing binary
Create /nls/data/9idata directory
Execute "cr9idata.pl" script from 12c Home ($ORACLE_HOME/nls/data/old/cr9idata.pl).
Configure "ORA_NLS10" Environment variable with directory created in 12c Home.
perl $ORACLE_HOME/nls/data/old/cr9idata.pl
Install all pre-requisite Database and Application patches
Database Patches:
The following RDBMS patches need to be Installed as a pre-requisites before upgrading the Database.
Patches Linux X86-84 Bit - Version 12.1.0.1.0
17695298 14237793, 16989137, 17184721, 17448638, 17600719, 17801303, 17892268,
17912217, 17973865, 17973883, 18288676, 18419770, 18604144, 18614015, 18665660,
18685209, 19466632, 19603897 ,19393542
One example howrunthe patch:-

9. exportORACLE_HOME=/u01/app/product/deverp/12.1.0
exportPATH=$ORACLE_HOME/bin:$PATH
exportPATH=$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:$PATH
Opatch apply<Patch_number_fromthe above_table>
Use DBUA for upgrading database

10. Since we will upgrade DB we will choose “Upgrade Oracle Database”
Our target is 12c home and the source is 11g, the source database and listener should be up

11. Check pre-requisites for 12c

12. Compile object after the upgrade is done

13. Moving Data file to new location

14. Take RMAN Backup or having your own backup

15. Summary page that include all source database object, should be valid.
Upgrade in progress
After the upgrade check database version:-