: You must install the base software (10.2.0.3 or 10.2.0.4) before applying the 10.2.0.5 patch set into the existing Oracle Home . Security Warning
Because 10g is a legacy version, Oracle has removed it from the standard Oracle Technology Network (OTN) download page. You generally have two paths: oracle database 10g release 2 10205 download new exclusive
After the binaries are updated, you must run the catupgrd.sql script (or use the Database Upgrade Assistant - DBUA) to update the database data dictionary. Security and Modern Alternatives : You must install the base software (10