MSSQL 触发器

if exists(select * from sysobjects where [name]='Trig_MemberGropu')
    drop trigger Trig_MemberGropu
go
create trigger Trig_MemberGropu
on Member
for  UPDATE
AS
declare  @Score int
declare  @MemberID int

IF UPDATE (Score)
select @Score =  Score from inserted
select @MemberID= memberID from inserted
 if @Score>15000
  begin 
   update  Member set groupid=5 where MemberID=@MemberID
  end 
 else if @Score>8000
  begin 
   update  Member set groupid=4 where MemberID=@MemberID
  end 
else if @Score>5000
   begin 
   update  Member set groupid=3 where MemberID=@MemberID
  end 
else if @Score >3000
  begin 
   update  Member set groupid=2 where MemberID=@MemberID
  end
简单的更新