create trigger TR_MasterTable_Update
on MasterTable
after update
as
if update ([Type])--当Type字段被更新时，才会触发此触发器
insert into MasterLogTable
select
Id
,(Case [Type] when 1 then 'Type1'
when 2 then 'Type2'
when 3 then 'Type3'
when 4 then 'Type4'
else 'TypeDefault'
end)
,Name
from inserted
go