【简答题】A.SPZ.Sno=SPY.Sno AND SPZ.Pno=SPY.Pno B.SPZ.Sno=SPX.Sno AND SPZ.Pno=SPX.Pno C.SPZ.Sno=SPX.Sno AND SPZ.Pno=SPY.Pno D.SPY.Sno='168' AND SPZ.Pno=SPY.Pno
【简答题】A.SPZ.Sno=SPY.Sno AND SPZ.Pno=SPY.Pno B.SPZ.Sno=SPX.Sno AND SPZ.Pno=SPX.Pno C.SPZ.Sno=SPX.Sno AND SPZ.Pno=SPY.Pno D.SPY.Sno<>'168' AND SPZ.Pno=SPY.Pno