删除SQL重复行
查找重復行
SELECT period,represnum,artgrpnum, count(*)
FROM d_kpigrade
GROUP BY period,represnum,artgrpnum
HAVING count(*) > 1
刪除重復行
set rowcount 1
delete from d_kpigrade
where period='M0602' AND represnum='7200' AND artgrpnum='KPI4'
總結
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