查询存在重复的字段(mysql)
select nickname from user where school_id=”swiftv” group by nickname having count
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(*)>1;
查询存在重复的字段(mysql)
select nickname from user where school_id=”swiftv” group by nickname having count
本文来源gao!%daima.com搞$代*!码$网9
(*)>1;