opatch command and options

opatch is a java based utility used for applying oracle database patches.


Note: Set the path to $ORACLE_HOME/OPatch before running opatch. Also view the Readme.txt file before applying any patch


To check version:
$./opatch version


For help:
$./opatch -help


To apply a single patch
cd
$./opatch apply


To rollback a patch
$./opatch rollback -id


To apply bundle patches
$./opatch util NApply


To query the inventory for patches applied
$./opatch lsinventory
for more details:
./opatch lsinventory -detail




opatch log files
Log file for OPatch utility can be found at $ORACLE_HOME/cfgtoollogs/opatch