Language Integrated Query (LINQ) Language Integrated Query (LINQ) TOP NEW … access code directly against a Microsoft SQL Server database by using LINQ to SQL. ? Write data access … LINQ to Entities, LINQ to DataSet, LINQ to SQL, and LINQ to XML are key implementations of this powerful technology. http://www.micro soft.com/sqlserver/2008/en/us/linq.aspx and storage schemas by using LINQ to Entities.? Write rich queries against data in a Microsoft DataSet by using LINQ to DataSet SIMPLICITY Simplify your data access code and

LINQ in Visual Studio FLEXIBILITY Access data in a wide range of data stores while using consistent LINQ syntax. Easily adapt to the needs of a particular application scenario by taking advantage of several data source-specific implementations of LINQ to query various types of data. Use LINQ with any data source Use whichever implementation of LINQ is designed for your scenario: ? LINQ to SQL for objects mapped directly to Microsoft SQL Server database schemas ? LINQ to XML for XML data ? LINQ to Entities for entity objects mapped to ADO.NET Data Providers ? LINQ to DataSet to work with existing DataSet functionality LINQ implementations LINQ to Entities: Design flexible mappings Build enterprise-grade applications using strongly typed objects mapped to different data sources including SQL Server and third-party databases. Use a common set of business objects that may differ from, and evolve independently of, your database storage schema, using flexible mapping support in the ADO.NET Entity Framework. Write one set of code to access data from a variety of data sources and schemas that can be interchanged or evolved without changing the application. New in Visual Studio 2008 SP1: Connect to SQL Server 2008 and use the new SLQ 2008 data types such as Date, DateTime2, DateTimeOffset, Time, and FileStream. LINQ to SQL: Optimize SQL Server client development Rapidly build client applications directly against Microsoft SQL Server storage schemas. Work with strongly typed objects that are mapped directly to the underlying database schema. New in Visual Studio 2008 SP1: Connect to SQL Server 2008 and use the new SLQ 2008 Data types such as Date, DateTime2, DateTimeOffset, Time, and FileStream. LINQ to XML: Work with XML data in a familiar way Use LINQ to XML to query strongly typed XML objects that represent XML data. LINQ to XML provides a comprehensive in-memory XML programming API that enables you to work with XML data in a familiar way.

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