查询user表中,user_name字段值重复的数据及重复次数
select user_name,count(*) as count from user group by user_name having count>1;
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,获取商家优惠推送、禁言。查询user表中,user_name字段值重复的数据及重复次数
select user_name,count(*) as count from user group by user_name having count>1;
腾讯云QCloud
2核2G4M云服务器,新老用户同享年付¥118
665443669
,获取商家优惠推送、禁言。链接到文章: https://jiloc.com/46485.html