CREATE TRIGGER <table_name>_upd 
ON <table_name>
FOR UPDATE AS
declare
    @rc                     int,
    @syb_err              int,
    @affected_rows     int,
  
--
-- Initialization Variables
--
    select
    @syb_err                  = @@error,
    @affected_rows         = @@rowcount,
    @rc                          =  0 

--
-- Check error and qty of updated rows in <table_name>
--
  if @syb_err !=  0  goto syb_err
  if @affected_rows = select count(*) from <table_name>
     return
  <trigger_body>