SQL笔试题:在BORROW表上建立一个触发器,完成如下功能:如果读者借阅的书名是"b002",就将该读者的借阅记录保存在BORROW_SAVE表中(注ORROW_SAVE表结构同BORROW表)

时间:2015-03-20 18:00:13   收藏:0   阅读:1502


CREATE TRIGGER TR_BORROW ON BORROW
AFTER INSERT
AS
IF((SELECT I.BNO FROM INSERTED I) in(SELECT BNO FROM BOOKS WHERE BNAME=‘b002‘))
BEGIN
INSERT BORROW_SAVE
SELECT * FROM INSERTED I
PRINT ‘已经备份该记录‘
END
ELSE
BEGIN
PRINT ‘未备份该记录‘
END

原文:http://www.cnblogs.com/hongyan5682/p/4353886.html

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