2019年12月24日
Not equal <> != operator on NULL
摘要： Not equal <> != operator on NULL 问题 Could someone please explain the following behavior in SQL? SELECT * FROM MyTable WHERE MyColumn != NULL (0 Result 阅读全文
posted @ 2019-12-24 13:46 ChuckLu 阅读(389) 评论(0) 推荐(0)