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。select * from people;where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
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 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)
查找表中多余的重复记录(多个字段)。select * from vitae a;where (a.peopleId,a.seq) in (select peopleId,seq from vitae group by peopleId,seq having count(*) > 1)
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 vitae group by peopleId,seq having count(*)>1)
查找表中多余的重复记录(多个字段)，不包含rowid最小的记录。select * 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 vitae group by peopleId,seq having count(*)>1)
