When you start journaling a physical file (table), you specify whether you want after-images saved, or both before-images and after-images.
To reduce the number of journal entries, you can omit entries for open operations and close operations for the file. To omit open and close entries from being journaled, select the Exclude open and close entries in iSeries™ Navigator. Or you can Specify OMTJRNE(*OPNCLO) on the Start Journal Physical File (STRJRNPF) command. If you choose to omit open journal entries and close journal entries, be aware that:
Or you can use the STRJRNPF command to start journaling physical database files.
The DB2™ Universal Database topic has complete information about database files.