Precautions:
- Store Patch to the directory Oracle\Middleware\Oracle_home\Opatch
- switch directory
- View patch version
- Modify the environment variable to join the Oracle home directory
- service must be stopped
1. Check the version of Opatch
opatch version
2. Update Patch
- You need to switch to the Oracle_Home\OPatch directory and put the decompressed Patch package
3. View Patch specific information after updating
opatch lsinventory