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PATCHING

 

We will do patching for every 3 months to fix bugs

For every 3 months the new patchversion will be released

Command opatch apply

Command in oracle support `n-1´ if any new patch releades it will show.       

To check the current version of opatch tool

Upgrad opatch utility

We should take backup from oracle_home full db backup

Shut down the database and listner  

Shut immediately (to shutdown database)

Lstnrctl stop listner_name (to shutdown listner)

Apply psu patch on oracle_home

Opatch apply

Post installation scripts execute

Datapatch

Dtabase and listner up

Startup (to up database)

Lsnrctl start listner_name (to start listner)

Dba_registery_sqlpatch

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