触发器的学习
摘要:
可以在五种地方建立触发器: 1、Data Manipulation Language (DML) statements 2、Data Definition Language (DDL) statements 3、Database events (Database event triggers fire whenever the database starts up or is shut do... 阅读全文
posted @ 2007-10-07 22:34 lzb 阅读(204) 评论(0) 推荐(0) 编辑