摘要: 本文转自:https://blog.csdn.net/qq112212qq/article/details/84578263 SET ANSI_NULL ON : 判断非空:where colunm is NULL SET ANSI_NULL OFF : 判断非空:where colunm = NU 阅读全文
posted @ 2019-06-02 19:22 qsl_你猜 阅读(199) 评论(0) 推荐(0) 编辑