MySQL高级查询

高级查询 高级查询的格式：web select ... 聚合函数 from 表名 where ... group by ... having ... order by ... limit ... order by 给查询结果排序 语法格式：面试 ... order by 字段名 ASC/DESC; ASC：默认，升序 DESC：降序 举个栗子 select name from stuinfo or

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