摘要: 一:查询条件 1: > < = >= <= != <> 2: and or 3: like 4: in not in 5: between....... and ..... 6: is null is not null 7: any(任意一个) all(所有) 这两个用于子查询 例:select * 阅读全文
posted @ 2018-04-14 21:14 java奋斗 阅读(195) 评论(0) 推荐(0) 编辑