InvAmount from Invoice where InvNo = @InvNo) THEN WHEN @AmountPaid = (SELECT InvAmount from Invoice where InvNo = @InvNo) THEN
INSERTINTO PaymentMemo (fld1,fld2,fld3) values(valu4,v
这个问题比Remove duplicate rows in pandas dataframe based on condition稍微复杂一点 我现在有两个列'valu1',‘valu2’,而不是一个‘valu1’列: t valu1 valu22015-08-01 2 11
2015预期结果: t valu1 va