LINQ in Action - THE LINQ book

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• LINQ to SQL: The Mapping Engine

  The primary purpose of any ORM system is to map relational data onto objects in your programming environment. Mapping here refers to the meaning in the mathematical sense that there is a correspondence from one item to the other. For example, a database row might map to an object, or a field in a database might map to a property. Some mappings are simple, like the ones I’ve already mentioned; others are more complex such as parts of multiple rows combining to form a single object. LINQ to SQL has Read More... Posted Wednesday, June 06, 2007 5:11 PM from The Wayward WebLog | (Comments Off) Filed under: LINQ, Code, Object Relational, SQL, PDC, Data

• The Origin of LINQ to SQL

  LINQ to SQL, possibly Microsoft’s first OR/M to actually ship in ten years of trying, was never even supposed to exist. It started out as a humble Visual Studio project on my desktop machine way back in the fall of 2003, long before anyone heard about it, long before anyone even guessed what would come next, except for the readers of this blog, of course, since I used to post often with long obtuse and sometimes psychedelic meanderings that with the proper one-time pad to decrypt it you might have Read More... Posted Thursday, May 31, 2007 11:52 AM from The Wayward WebLog | (Comments Off) Filed under: LINQ, Code, Object Relational, SQL, PDC, Data, Language, Life

• Oops, we did it again

  A new update to LINQ preview is available at MSDN site. What's the coolest new feature? IMHO, its IQueryable<T>. DLINQ's query mechanism has been generalized and available for all to use as part of System.Query. It implements the Standard Query Operators for you using expression nodes to represent the query. Your queries can now be truly polymorphic, written over a common abstraction and translated into the target environment only when you need it to. public int CustomersInLondon( IQueryable Read More... Posted Wednesday, May 10, 2006 3:49 PM from The Wayward WebLog | (Comments Off) Filed under: LINQ, Code, Object Relational, SQL, Rave, PDC, Data