Oracle 10.2.0.5 -

Run the Oracle Pre-Upgrade Information Tool to evaluate parameter compatibilities, deprecated database features, and structural sizing limits. Step 2: Remediate Deprecated Datatypes Scan the 10.2.0.5 schemas for legacy structures.

Oracle 10.2.0.5 was a supported release until October 2010, when Oracle announced the end of support for Oracle 10g Release 2. Customers were encouraged to upgrade to later releases, such as Oracle 11g or 12c. oracle 10.2.0.5

If you were running Oracle 10g, 10.2.0.5 was the version you wanted to be on. Run the Oracle Pre-Upgrade Information Tool to evaluate

Better integration with OS-level async I/O drivers (e.g., on Solaris 10 using UFS/ZFS filesystems). Customers were encouraged to upgrade to later releases,

If you're still using Oracle 10.2.0.5, it's recommended to upgrade to a more recent version, such as Oracle 19c or 21c. Oracle provides tools and resources to facilitate migration and upgrade, including: