How to Apply APR-2025 RU patches in Oracle 19C Database step by step

 Dear All,

In this post i am sharing you Apply Apr-2025 RU patch step by step on Oracle 19C Database .

Apr-2025 RU patch Number :  

Patch 37641958: GI RELEASE UPDATE 19.27.0.0.0

Click on download patch option and read the readme file to check pre and post checks .

readme file : 

https://updates.oracle.com/Orion/Services/download?type=readme&aru=27123474

click on download patch :

Note : 

• Document 19202504.9 Oracle Database 19c RU/RUR Apr 2025 Known Issues

After this download the latest opatch version - 6880880

copy the both opatch - patch 6880880 and Apr-2025 patch to database server and unzip it.

opatch readme file : https://updates.oracle.com/Orion/Services/download?type=readme&aru=27122750

>> First upgrade the opatch version .

After opatch upgrade : 

Download and unzip main patch on your database server 

[root@oemdb RU_19_27-GI]# unzip p37641958_190000_Linux-x86-64.zip -d /u01/software/

check inventory good :

check patch conflicts 

check invalids , take db full backup , take oracle home and customizations if anything backup before apply the main patches ..

SQL> select count(*) from dba_objects where status='INVALID';

  COUNT(*)

----------

         0

SQL> select name,open_mode from v$database;

NAME      OPEN_MODE

--------- --------------------

OEMDB     READ WRITE

Stop the database listener and database services 

export path ... 

Go to the patch location and apply the patch

Main APR-2025 RU patch ::

 $opatch apply 

apply second patch >> OCW patch 

Start up database and listener services 

Check the latest patch level ... 

Run datapatch verbose 

[oracle@oemdb OPatch]$ ./datapatch -verbose

SQL Patching tool version 19.27.0.0.0 Production on Wed May  7 01:47:58 2025

Copyright (c) 2012, 2025, Oracle.  All rights reserved.

Log file for this invocation: /u01/app/oracle/cfgtoollogs/sqlpatch/sqlpatch_17547_2025_05_07_01_47_58/sqlpatch_invocation.log

Connecting to database...OK

Gathering database info...done

Bootstrapping registry and package to current versions...done

Determining current state...done

Current state of interim SQL patches:

  No interim patches found

Current state of release update SQL patches:

  Binary registry:

    19.27.0.0.0 Release_Update 250406131139: Installed

  SQL registry:

    Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 07-MAY-25 12.43.26.306463 AM

Adding patches to installation queue and performing prereq checks...done

Installation queue:

  No interim patches need to be rolled back

  Patch 37642901 (Database Release Update : 19.27.0.0.250415 (37642901)):

    Apply from 19.3.0.0.0 Release_Update 190410122720 to 19.27.0.0.0 Release_Update 250406131139

  No interim patches need to be applied

Installing patches...

Patch installation complete.  Total patches installed: 1

Validating logfiles...done

Patch 37642901 apply: SUCCESS

  logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/37642901/27123174/37642901_apply_OEMDB_2025May07_01_49_39.log (no errors)

SQL Patching tool complete on Wed May  7 02:04:35 2025

[oracle@oemdb OPatch]$

Thanks,

Srini