집 >데이터 베이스 >MySQL 튜토리얼 >MySQL多字段重复记录淘选
MySQL多字段重复记录筛选 MySQL多字段重复记录筛选: select * from T_CELLID TC where (TC.MCC,TC.MNC,TC.LAC,TC.CELL,TC.LNG,TC.LAT) in (select MCC,MNC,LAC,CELL,LNG,LAT from T_CELLID group by MCC,MNC,LAC,CELL,LNG,LAT having count(*) 1) and TC.id
MySQL多字段重复记录筛选