摘要: mysql表中datetime类型的字段名createtime,查询所有createtime为空的语句如下:select * from yy_business where ISNULL(createtime) is TRUEupdate yy_business set createtime='201... 阅读全文
posted @ 2016-01-25 22:17 蜗牛天下 阅读(5543) 评论(0) 推荐(0) 编辑