Question

显示订购数量大于或等于100的订购商品的商品代码，供应商名称和总数量。

表是：

报价（QuotationId，Sname，ItemCode，QuotedPrice，QDate，QStatus）

Orders（OrderId，QuotationId，QtyOrdered，OrderDtae）

select  Q.itemcode ,Q.sname, O.QtyOrdered as TOTALQUANTITY 
from Quotation Q
    inner join Orders O on Q.QuotationId = O.QuotationId
where QtyOrdered >= 100

查询结果：

ITEMCODE  SNAME           TOTALQUANTITY
I1008     EBATs               100
I1009     VV Electronics      100
I1009     VV Electronics      150

预期结果：

TEMCODE  SNAME            TOTALQUANTITY
I1009    VV Electronics      250
I1008    EBATs               150

Answer 1

您可以通过以下方法获得预期结果：

select  Q.itemcode ,Q.sname, SUM(O.QtyOrdered) as TOTALQUANTITY 
from Quotation Q
    inner join Orders O on (Q.QuotationId = O.QuotationId
and O.QtyOrdered >= 100) GROUP BY Q.itemcode, Q.sname

Answer 2

SELECT Q.ITEMCODE,Q.SNAME, SUM(O.QTYORDERED) TOTALQUANTITY 
FROM QUOTATION Q
    INNER JOIN ORDERS O ON Q.QUOTATIONID= O.QUOTATIONID
 GROUP BY Q.ITEMCODE, Q.SNAME HAVING SUM(O.QTYORDERED)>=100

显示订购总数量大于或等于100的订购商品的商品代码，供应商名称和总数量

2 个答案: