Please write queries based on the following requirements using WideWorldImporters Database which is already installed on the SQL Server you used at class.

5. List the top 10 buying groups with the largest order line quantity. Order the list by order quantity in descending order and include only customers with NULL credit limit and where the order date year is 2015. (Sales.Orders, Sales.OrderLines, Sales.Customers, Sales.BuyingGroups)

BuyingGroupame TheQty 1Tailspin Toys 895961 877251 2 Wingtip Toys BuyingGroupame TheQty 1Tailspin Toys 895961 877251 2 Wingtip Toys