SQL查询，如何去除重复的记录？ sql查询去2113除重复值语句sql 单表/多表查询去除重5261复记录单表distinct多表group bygroup by 必须放在 order by 和 limit之前，不然会4102报错1、查找表中多余的重复记录，1653重复记录是根据单个字段（peopleId）来判断select*from peoplewhere peopleId in(select peopleId from people group by peopleId having count(peopleId)>；1)2、删除表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断，只留有rowid最小的记录delete from peoplewhere 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)3、查找表中多余的重复记录（多个字段）select*from vitae awhere(a.peopleId，a.seq)in(select peopleId，seq from vitae group by peopleId，seq having count(*)>；1)4、删除表中多余的重复记录（多个字段），只留有rowid最小的记录delete from vitae awhere(a.peopleId，a.seq)in(select peopleId，seq from vitae group by peopleId，seq having count(*)>；1)and rowid not in(select min(rowid)from 。
如何过滤EXCEL多余的重复记录，只保留一条 可以选着需要筛选的列。根据需要使用删除重复项。
表中有重复的记录，写SQL语句筛选掉重复的记录 不能使用Group by.请问高手怎么写啊？ group by 是分类汇总 会自动提取不重复值的
