SQL: Select Top 3 Records + Sum of Quantity

Question

I would like to display the top 3 records from the existing Orders table. In order to accomplish this, I need to calculate the sum of each product\'s quanti

Answer 1

SELECT TOP 3 ProductID, SUM(Quantity) as SUMQUANTITY
FROM Table1
GROUP BY ProductID
ORDER BY SUMQUANTITY desc

SQL Fiddle Demo

Answer 2

You need to SUM and then ORDER BY this summary value:

SELECT TOP 3 ProductID, SUM(Quantity) as qSum
FROM Table
GROUP BY ProductID
ORDER BY qSum DESC