Last updated on July 17th, 2015 at 06:05 pm What is a PSU patch for Oracle Home? Patch Set Updates (PSU) are the same cumulative patches that include both the security fixes and priority fixes.  The key with PSUs is they are minor version upgrades (e.g., 11.2.0.1.1 to 11.2.0.1.2).  Once a PSU is applied, only PSUs can be applied in future quarters until the database … Continue reading What is a PSU patch and How to verify the PSU update in the Oracle Home and database »