求零件P2的总供应量()


求零件P2的总供应量()

A.SELECTCOUNT(*)FROMSPWHEREPNO=’P2’;

B.SELECTCOUNT(QTY)FROMSPWHEREPNO=’P2’;

C.SELECTSUM(QTY)FROMSPLIKEPNO=P2;

D.SELECTSUM(QTY)FROMSPWHEREPNO=’P2’;

正确答案:D


Tag:供应量 零件 时间:2023-11-12 16:57:27