用SQL語(yǔ)句怎么過(guò)濾重復(fù)數(shù)據(jù)？1、查找表中多余的重復(fù)記錄，重復(fù)記錄是根據(jù)單個(gè)字段（peopleId）來(lái)判斷復(fù)制代碼代碼如下:select * from peoplewhere peopleId in

用SQL語(yǔ)句怎么過(guò)濾重復(fù)數(shù)據(jù)？

1、查找表中多余的重復(fù)記錄，重復(fù)記錄是根據(jù)單個(gè)字段（peopleId）來(lái)判斷復(fù)制代碼代碼如下:select * from peoplewhere peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)2、刪除表中多余的重復(fù)記錄，重復(fù)記錄是根據(jù)單個(gè)字段（peopleId）來(lái)判斷，只留有rowid最小的記錄復(fù)制代碼代碼如下:delete from people where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)and rowid not in (select min(rowid) from people group by peopleId having count(peopleId)>1)

sql查詢(xún)語(yǔ)句過(guò)濾重復(fù)數(shù)據(jù)？

SELECT Id，SiteId，InsertTime，IP，Referrer，Url FROM ( SELECT ROW_NUMBER()OVER(PARTITION BY IP ORDER BY Id DESC) number， Id，SiteId，InsertTime，IP，Referrer，Url From YourTable )T where number = 1 拿走不謝