Query optimizer messages reference

See the following for query optimizer message reference:

Query optimization performance information messages
You can evaluate the structure and performance of the SQL statements in a program using informational messages. These messages are put in the job log by the database manager.
Query optimization performance information messages and open data paths
Several of the following SQL runtime messages refer to open data paths.
PRTSQLINF message reference
The following messages are returned from PRTSQLINF.

Parent topic: Database performance and query optimization