删除重复的记录delete from ucs_projectno_pmswhere uniqueid in (select uniqueid from ucs_projectno_pm
删除重复的记录
delete from ucs_projectno_pms
where uniqueid in (select uniqueid from ucs_projectno_pms group by uniqueid having count(uniqueid) > 1)
and rowid not in (select min(rowid) from ucs_projectno_pms group by uniqueid having count(uniqueid )>1)