OPatch provides several commands that you can use to apply a patch, roll back a patch, and verify the application of patch in an Oracle home. You can use OPatch to apply and roll back a single patch or apply and roll back multiple patches.
Table 1-3 Common OPatch Commands Used When Patching an Oracle Fusion Middleware Environment
Command | Description | Example |
---|---|---|
opatch apply |
This command applies an interim patch to an Oracle home from the current directory. The ORACLE_HOME environment variable must be set to the Oracle home to be patched. |
|
opatch napply |
This command applies multiple patches. |
|
opatch lsinventory |
This command lists the inventory for a particular Oracle home, or displays all installations that can be found. This command does not have any required options. |
Using the OPatch lsinventory Command to Verify the Patches Applied to an Oracle Home |
opatch rollback |
This command removes an existing one-off patch from the appropriate Oracle home directory indicated by the reference ID. |
|
opatch nrollback |
This command rolls back multiple interim patches at the same time. |