sqlserver 触发器实例

实例1:update

USE [数据库名称]
GO
/****** Object: Trigger [dbo].[触发器名称] Script Date: 05/08/2014 12:40:25 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[T_触发器名称] ON [dbo].[表名称] 
FOR UPDATE
AS
DECLARE
@Id VARCHAR(32),
@remain_cost DECIMAL(10,3),
@remain_flow DECIMAL(10,3),
@valid_time DATETIME;

BEGIN
SET XACT_ABORT ON

BEGIN TRANSACTION
--SELECT @Id = customer_no, @remain_cost = Balance,@remain_flow = (MAX_VOLUME - USED_VOLUME) FROM INSERTED;
  --insert openrowset('MSDASQL','smysql';'root';'123456','select * from mysql_authon.Consumer ') values(@Id,......)
SELECT @Id = customer_no, @remain_cost = Balance,@remain_flow = (MAX_VOLUME - USED_VOLUME) FROM INSERTED;
-- SET @Id = (SELECT customer_no FROM INSERTED);
-- SET @remain_cost = (SELECT Balance FROM INSERTED);
--SET @remain_flow = (SELECT (MAX_VOLUME - USED_VOLUME) FROM INSERTED);

-- 查询对本地复制
--SET @sql =
  -- SET @type = (SELECT * FROM OPENROWSET('MSDASQL','smysql';'root';'123456','SELECT UserType_id FROM .... @Id'))  
  -- SET @base_cost = (SELECT * FROM OPENROWSET('MSDASQL','smysql';'root';'123456','SELECT Consumer_basecost FROM .... @Id'))  
  -- DELETE FROM OPENROWSET('MSDASQL','smysql';'root';'123456','select * from ....= @Id ') 
  -- INSERT openrowset('MSDASQL','smysql';'root';'123456','select * from mysql_authon.Consumer ') values(@Id,@type,.....)
  INSERT INTO 表名称 VALUES(@Id,.....);
COMMIT TRANSACTION
   END

实例2:insert

USE [数据库名称]
GO
/****** Object: Trigger [dbo].[触发器名称] Script Date: 05/08/2014 12:47:46 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[触发器名称] ON [dbo].[表名称] 
FOR INSERT
AS
DECLARE
@Id VARCHAR(16),
@remain_cost DECIMAL(10,3),
@remain_flow DECIMAL(10,3),
@valid_time DATETIME;

BEGIN
SET XACT_ABORT ON
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
BEGIN TRANSACTION
  SELECT @Id = customer_no........ FROM INSERTED;
 -- insert openrowset('MSDASQL','smysql';'root';'123456','select * from mysql_authon.Consumer ') values(@Id.....)
-- 将数据插入到插入用户临时表
  INSERT INTO dbo.transfer_data_insert_temp2 VALUES(@Id.....);
COMMIT TRANSACTION
-- Insert statements for trigger here
END

实例3 :delete

USE [数据库名称]
GO
/****** Object: Trigger [dbo].[触发器名称] Script Date: 05/08/2014 12:51:21 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[触发器名称] ON [dbo].[表名称] 
FOR DELETE
AS
DECLARE
@Id VARCHAR(16);
BEGIN
SET XACT_ABORT ON
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
BEGIN TRANSACTION
SELECT @Id = customer_no FROM deleted;
 -- insert openrowset('MSDASQL','smysql';'root';'123456','select * from mysql_authon.Consumer ') values(@Id,....)
-- 将数据插入到插入用户临时表
  INSERT INTO dbo.表名称 VALUES(@Id);
COMMIT TRANSACTION
-- Insert statements for trigger here
END