You can configure your DB2® for z/OS® subsystem for query and query-workload tuning by submitting a JCL job.
If your subsystem was configured for InfoSphere Optim Query Workload Tuner, Version 3.1, then you do not need to follow the steps in this procedure.
If your subsystem was configured for earlier versions of InfoSphere Optim Query Tuner or InfoSphere Optim Query Workload Tuner, and before configuring for version 3.1.1 you want to drop both the data objects from those earlier versions and the data in those objects, the following procedure lists a step for performing the drop.
To configure a DB2 for z/OS subsystem for query tuning and query-workload tuning: