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  • 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

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  • 原文地址:https://www.cnblogs.com/lvdongjie/p/3715929.html
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