Deprecated or discontinued functionality that affects Db2 server upgrades

Functionality that is deprecated or discontinued in Db2 12.1 might affect the upgrade of your Db2 server. Be aware of Db2 products that are no longer supported, as upgrading from these products to Db2 12.1 is unsupported.

To deal with these functionality changes, you must perform additional tasks before or after upgrade. The following list describes changes that are not included in the pre-upgrade and post-upgrade tasks for Db2® servers:

Deprecated or discontinued commands

The db2IdentifyType1 command and the STATISTICS YES parameter of the LOAD command are discontinued.

Review Upgrade impact from Db2 command changes to learn which commands are deprecated and discontinued in Db2 12.1 and how to manage the impact on your database applications and routines.

Functionality that was deprecated or discontinued before Db2 11.5

If you are upgrading from Db2 11.1.4.6 and earlier, review the changes made in Db2 11.5 that might impact your environment after upgrading to Db2 12.1. Refer to What's changed to learn about additional possible impacts on the upgrade of your Db2 server.