望大神，解释一下这个sql语句的意思，谢谢谢谢谢谢谢谢寻寻寻想

Question

delete from vitae a
where (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)

Answer 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