On Mon, Jul 13, 2009 at 10:54 AM, Mercadante, Thomas F (LABOR) < Thomas.Mercadante@xxxxxxxxxxxxxxxxx> wrote: > create or replace trigger tran_data_biu > > before insert or update > on tran_Data > for each row > begin > if updating then > if :new.modify_date is null then > :new.modify_date := sysdate; > end if; > end if; > end; > > I would expect that when a row is being updated and a modify_date was not > provided in the update statement, that the above trigger would fill the > column in with sysdate. But this is not happening. The only time the above > happens is when the column is null the first time. After a date exists, the > “new” value is populated with the “old” value. > Perhaps this will do what you had in mind. if updating then if :old.modify_date is null or :new.modify_date is null then :new.modify_date := sysdate; end if; end; Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist