Oracle 19C Database Jul-2025 RU patches download and Apply process

 Dear All,

In this post i am going to share Oracle latest Jul-2025 RU patches on Oracle 19C Database and RAC Databases, will share the steps how to download and apply step by step process.

First we need to login to support.oracle.com >> patches & download >> download the below patches as showed in the snaps.

You can watch @RACSINFOTECH YouTube channel for this patch apply live process >>>>>>>>>>>>>>>>>>>

Oracle 19C Non RAC patches : 

Oracle 19C RAC or Grid Patches : 37957391

click on download it will take while and then copy to server .

meanwhile read the read me file .

Once download completed , move those patches to respective databases and apply 

Apply procedure little different between RAC and Non RAC.

> check the conflicts if any 

Opatch utility :

download latest opatch utility

Non RAC apply process : 

- download patch 

- copy to the server

- unzip the patch on database server

-check the pre-requisites like and pre-requisite patches there or not, sufficient storage is there or not, invalids, important configurations backup.

- take downtime and send communication to all.

-shutdown database and listener 

-apply patch using opatch

-startup database and listener 

-take invalids and compare before and after patch.

-run datapatch -verbose

-release the instance .

Non RAC apply process : 

- download patch 

- copy to the server

- unzip the patch on database server  ( common directory that patch should access rdbms and grid homes)

-check the pre-requisites like and pre-requisite patches there or not, sufficient storage is there or not, invalids, important configurations backup.

- take downtime and send communication to all.

-shutdown database and listener 

-shutdown grid , run rootcrs.pl prepatch ( rolling mode) node / node process

./rootcrs.pl -prepatch

-apply patch using opatchauto ( this we need to run from root user)

-this opatchauto apply the patches on grid home and rdbms homes at one go

-post patch start the grid and rdbms servers 

- ./rootcrs.pl -postpatch 

- do the above steps on all the nodes , once done run below steps .

-take invalids and compare before and after patch.

-run datapatch -verbose ( note : run only after patch completed on all the RAC nodes )

-release the instance .

You can watch @RACSINFOTECH YouTube channel for this patch apply process.

Thanks,

Srini