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 that have not placed orders.
Click here
for details on
Outer Join
.
SELECT FirstName, LastName, City, Country, TotalAmount FROM [Order] O RIGHT OUTER JOIN Customer C ON O.CustomerId = C.Id WHERE TotalAmount IS NULL
2 Records
FirstName
LastName
City
Country
TotalAmount
Roel
Roel
palakol
india
NULL
Bertrand
Bertrand
palakol
india
NULL
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in Austin, Texas. Vsn 1.3.0
in Austin, Texas. Vsn 1.3.0