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In this second article about the Entity Framework version 4.0 user defined functions and the new Model Defined Functions will be explored.

Based on a series of simple examples I will show how to map UDF’s and Entity SQL expressions to Model Defined Functions and how to call them in LINQ to Entities queries.

• User Defined Functions (UDF)
  • Mapping functions to CRUD operations
  • Calling UDF’s in Entity SQL statements
• Creating custom functions in the storage model
• Model Defined Functions
  • SqlFunctions
  • Mapping UDF’s to Model Defined Functions
  • Mapping Entity SQL expressions to Model Defined Functions
  • EntityFunctions

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