sql语句使用记录_MySQL

来源：动视网责编：小采时间：2020-11-09 19:59:41

sql语句使用记录_MySQL:查询存在重复的字段（mysql）select nickname from user where school_id=swiftv group by nickname having count(*)>1;

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导读sql语句使用记录_MySQL:查询存在重复的字段（mysql）select nickname from user where school_id=swiftv group by nickname having count(*)>1;

查询存在重复的字段（mysql）

select nickname from user where school_id="swiftv" group by nickname having count(*)>1;

sql语句使用记录_MySQL:查询存在重复的字段（mysql）select nickname from user where school_id=swiftv group by nickname having count(*)>1;

推荐度：

点击下载本文 文档为doc格式

标签：记录使用 sql