Object/relational mapping (O/RM) allows developers to work with relational data in an objectoriented (OO) manner. Language Integrated Query (LINQ), released with .NET 3.5, adds the ability to query objects using .NET languages. The LINQ to SQL O/RM framework provides the following basic features, which will be covered in this chapter:
  • Tools to create classes (usually called entities) mapped to database tables

  • Compatibility with LINQ’s standard query operations

  • The DataContext class, with features such as entity record monitoring, automatic SQL statement generation, record concurrency detection, and much more


Query Execution Visual Studio Conflict Detection Entity Class Code Snippet 
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© Robert Walters 2008

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