Using the COUNT function in SQL

Question

First and Foremost, this is part of an assignment.

I am trying to use the COUNT function as part of a query in relation to the Northwind database. The query should retur

Answer 1

When using aggregate functions like COUNT(), all columns have to be part of aggregate functions. The GROUP BY statement should solve your problem. http://www.w3schools.com/sql/sql_groupby.asp