插入
use [adventureworks]
gocreate trigger [sales].istore].[store]
after insert as
begin
set nocount on;
begin try
--判斷是否插入記錄的customerid欄位是否已經在[sales].[individua]表中存在相同的記錄
if exists (select * from inserted inner join [sales].[individua]
on inserted.[customerid] = [sales].[individua].[customerid])
begin
--若有相同記錄，則回滾事物
if @@trancount > 0
begin
rollback transaction;
endend;
end try
begin catch
execute [dbo].[uspprinterror];
--呼叫儲存過程，在錯誤日誌表中記錄錯誤產生詳情
if @@transcount > 0
begin
rollback transaction;
end
execute [dbo].[uspprinterror];
end catch;
end ;
go刪除
use [adventureworks]
gocreate trigger [humanresources].[demployee] on [humanresouces].[employee]
instead of delete not for replication as
begin
set nocount on;
declare @deletecount int;
select @deletecount = count(*) from deleted;
if @deletecount > 0
begin
raiserror
(n'employees cannot be deleted .they can only be marked as not current .',--message
10,--severity.
1);--state.
--回滾事物
if @@trancount > 0
begin
rollback transaction;
endend;
end;
go
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