Hi,
You can use updating techniques like PERFORM ON COMMIT or
use CALL FUNCTION ... IN UPDATE TASK
For more details kindly go through following links
http://help.sap.com/saphelp_nw2004s/helpdata/en/41/7af4cba79e11d1950f0000e82de14a/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/41/7af4bfa79e11d1950f0000e82de14a/content.htm
Best Regards,
Pushkar Dhale