The CLEANUP option in the "Database Statistics Menu" enables you to generate a batch job that deletes obsolete usage data from the statistics database.
The time range of the data that will be deleted is controlled by the program and cannot be changed by the user.
All data that is older than three years will be deleted. The deletion date is always based on January 1 of the current year. For example, a job that is generated on any date of the year 2013 deletes statistical data of the years 2009, 2008, etc.
To delete obsolete statistical data:
The JCL for the cleanup job is generated from the corresponding skeleton and displayed in the editor.