sql server 查询数据判断为空
时间:2017-11-27 10:30:13
收藏:0
阅读:268
select * from info where typeid= 1 and xxx is NOT null select * from info where typeid= 1 and xxx is null
原文:http://www.cnblogs.com/enych/p/7902754.html
评论(0)