sql 增加數(shù)據(jù)的例子
ALTER trigger createPerson on Person
for insert
as
begin
declare @name nchar(10)
select @name=name from inserted
INSERT INTO PersonCopy
(
?
?name
)
VALUES
(
?@name
)
print '結(jié)果為:
'+@name
?--insert into storeInfo(storeID,mID) values((select mID from ))
end
sql 修改數(shù)據(jù)時(shí)的觸發(fā)器
USE [hh]
GO
/****** 對(duì)象:? Trigger [dbo].[UpdatePerson]??? 腳本日期: 05/15/2013 08:58:27 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER trigger [dbo].[UpdatePerson]
on [dbo].[Person]
??? for update
as
??? declare @oldName nchar(10), @newName nchar(10);
??? --更新前的數(shù)據(jù)
??? select @oldName = name from deleted;
??? if (exists (select name from PersonCopy where
name=@oldName
))
??????? begin
??????????? --更新后的數(shù)據(jù)
??????????? select @newName = name from inserted;
??????????? update PersonCopy set name = replace(name, @oldName, @newName) where
name=@oldName
;
??????? end
?sql 刪除觸發(fā)器
alter TRIGGER DeletePerson ON Person
FOR delete
AS
BEGIN
?DECLARE @name? nchar(10);
?SELECT @name=name FROM deleted
?DELETE FROM PersonCopy WHERE
name=@name
end
?sql判斷觸發(fā)器是否存在
if (object_id('createPerson', 'TR') is not null)
??? drop trigger createPerson
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