>How can I implement trigger if there are ri already in the table eg.
>
>Daily table already have update trigger : __ri_update_daily()
>
>And I like to perform other tasks at the time this table is updated.
>
>TIA.

Change trigger code is not an option ? ie: you could add :
OtherTasks() there and add OtherTasks() to stored procs.
Cetin