delete A
where exists(select * from A t
where t.pk1 = A.pk1
and t.pk2 = A.pk2
...
and t.pkn = A.pkn)
--------------------------
pk指primary key
where exists(select * from A t
where t.pk1 = A.pk1
and t.pk2 = A.pk2
...
and t.pkn = A.pkn)
--------------------------
pk指primary key
解决方案 »
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