Prerequisites for Running the Examples
Since virtually all of the examples in this and the following LINQ to SQL chapters use Microsoft's sample extended Northwind database, we will need entity classes and mapping files for the Northwind database.
Obtaining the Appropriate Version of the Northwind Database
Unfortunately, the standard Microsoft Northwind database is missing a few things I will need to fully show off LINQ to SQL, such as table-valued and scalar-valued functions. Therefore, instead of using the standard Northwind database, I will use an extended version of it that Microsoft initially distributed to demonstrate LINQ.
You may obtain the extended version of the Northwind database in the Book Extras section of this book's page at ...
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