To remove data from Summary tables, use the AR_SUMMARY_MAINTENANCE stored procedure. It takes the cut-off date as the input parameter.
Syntax:
DB2:
call AR_SUMMARY_MAINTENANCE(<cut-off date, format:'YYYY-MM-DD'>)
For example: call AR_SUMMARY_MAINTENANCE('2005-10-21')
Oracle:
execute AR_SUMMARY_MAINTENANCE(<cut-off date, format:'DD-MON-YY'>)
For example: execute AR_SUMMARY_MAINTENANCE('21-OCT-2005')