select COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_NAME=‘tablename‘
用distinct来返回不重复的用户名: select distinct name from user 如有多个查询字段 会对多个字段值组合起来判断 select id,name from user group by name; 用分组也可以做到
整理日期:
mysql 设置相关
标签:HERE style com log var www 两种 rac where
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