select njsy_sn from z_wzjsy a where (a.ndqjf+(select sum(njljf) from z_jsyjl b where a.sdabh=b.sdabh and b.syxbz='0'))<12;改为:select njsy_sn from z_wzjsy a where (12-a.ndqjf)>(select sum(njljf) from z_jsyjl b where a.sdabh=b.sdabh and b.syxbz='0');试试看·~·
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