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发布时间:2014-02-19 17:00:06
触发程序是与表有关的命名数据库对象,当表上出现特定事件时,将激活该对象。CREATE TRIGGER语法CREATE TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW trigger_stmt 触发程序与命名为tbl_name的表相关。trigger_time是触发程.........【阅读全文】