Activity for the USESSION table is audited with its own trigger and table. When an application user logs out of the system they logically delete or mark their session record in the USESSION table. One record is written to the USESSAUD table for each logout. The format of the USESSAUD table mirrors that of the USESSION table. This audit can be enabled using the usessaud_enable procedure and disabled using the usessaud_disable procedure.