Patching your database is crucial for security and performance. Develop a strategy based on your organization’s needs. Regularly schedule routine patches, test thoroughly, and inform stakeholders. Prioritize critical security fixes. Read release notes and consider expert blogs. Apply patches selectively, and consider in-place and out-of-place patching methods. Fleet Patching and Provisioning can scale patch deployment effectively.

The post discusses the process of cleaning old Oracle Homes after patching database servers. It advises keeping old homes for 15 days as a precaution, then removing them when comfortable with the new ones. The methods described for removal involve the deinstall command and fleet maintenance using cleanup_software verb.

The content details the process of patching Oracle RAC databases using fleet maintenance. It includes steps for creating a gold image, deploying the image to target databases, and migrating instances to the newly patched Oracle Home. It also discusses post-patching tasks such as updating shell scripts and addressing alert.log messages. Additional steps are provided for RMAN catalog users.

The content discusses grid patching using fleet maintenance for database servers. It outlines the process of creating a gold image for fleet patching, setting up fleet environment checks, creating a location on Software Library in EMCC, and deploying the gold image to the target cluster. The post also provides tips and advice for a smooth patching process.