SQL Editor
Tables and Columns
Customer
- Id
(int)
- FirstName
(nvarchar)
- LastName
(nvarchar)
- City
(nvarchar)
- Country
(nvarchar)
- Phone
(nvarchar)
Order
- Id
(int)
- OrderDate
(datetime)
- OrderNumber
(nvarchar)
- CustomerId
(int)
- TotalAmount
(decimal)
OrderItem
- Id
(int)
- OrderId
(int)
- ProductId
(int)
- UnitPrice
(decimal)
- Quantity
(int)
Product
- Id
(int)
- ProductName
(nvarchar)
- SupplierId
(int)
- UnitPrice
(decimal)
- Package
(nvarchar)
- IsDiscontinued
(bit)
Supplier
- Id
(int)
- CompanyName
(nvarchar)
- ContactName
(nvarchar)
- ContactTitle
(nvarchar)
- City
(nvarchar)
- Country
(nvarchar)
- Phone
(nvarchar)
- Fax
(nvarchar)
Task:
List customers in the US and their order counts and order amounts for 2013.
Click here
for details on
WITH CTE
.
WITH CteOrder (CustomerId, OrderCount, OrderAmount) AS ( SELECT CustomerId, COUNT(Id), SUM(TotalAmount) FROM [Order] WHERE YEAR(OrderDate) = 2013 GROUP BY CustomerId ), CteCustomer (Id, FirstName, LastName) AS ( SELECT Id, FirstName, LastName FROM Customer WHERE Country = 'USA' ) SELECT FirstName, LastName, OrderCount, OrderAmount FROM CteOrder O JOIN CteCustomer C ON O.CustomerId = C.Id ORDER BY LastName
1 Record
FirstName
LastName
OrderCount
OrderAmount
Berglund
Berglund
10
14533.20
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in Austin, Texas. Vsn 1.3.0