May 2011
Intermediate to advanced
576 pages
19h 11m
English
Content preview from Entity Framework 4 in Action
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Chapter 4. Querying with LINQ to Entities
This chapter covers
- Filtering with LINQ to Entities
- Projecting with LINQ to Entities
- Sorting and grouping with LINQ to Entities
- Executing handcrafted SQL code
- Choosing the fetching strategy
One of the most important features of Entity Framework is the LINQ to Entities query dialect. LINQ to Entities is a specialized version of LINQ that operates on Entity Framework models. LINQ to Entities isn’t a LINQ to SQL competitor—it’s the Entity Framework’s main query language, whereas LINQ to SQL is a full-featured O/RM that shipped with the .NET Framework v3.5.
In this chapter, we’ll begin by looking at how to filter data. Then we’ll cover projecting, grouping, sorting, joining, and querying within inheritance ...
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