1、查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断
复制代码 代码如下:
select * from people
where peopleId in (select peopleId from people group by peopleId having count
(peopleId) > 1)
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/233330.html
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1、查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断
(peopleId) > 1)
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/233330.html