题目看起来很简单,但是想不通答案怎么会是D. 我觉得应该是B. 请问大侠们觉得哪个
是正确答案。谢谢!
Your company appoints you to serve for a charity organization which is named
AngelPlan. According to the requirement of the charity organization, they
want to view the highest 100 different amounts that were donated. So you are
writing a query to list the 100 amounts. You have written the code segment
below. (Line numbers are used for reference only):
1 SELECT *
2 FROM (SELECT Customer.CustomerID, SUM(TotalDue) AS TotalGiven,
3
4 FROM Custo