SUM(A.AREA) OVER ( PARTITION BY A.ItemNo, A.PARTS ,A.WIDTH,A.HEIGHT) allotQty,
SUM(A.SL) OVER ( PARTITION BY A.ItemNo, A.PARTS,A.WIDTH,A.HEIGHT ) auAllotQty,
SQL server 统计分组经计
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转载自www.cnblogs.com/gzhbk/p/11386646.html
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