LINQ (Language Integrated Query)
LINQ (Language Integrated Query) is a Microsoft programming model and methodology that essentially adds formal query capabilities into Microsoft .NET -based programming languages. LINQ offers a compact, expressive, and intelligible syntax for manipulating data. The real value of LINQ comes from its ability to apply the same query to an SQL database, a DataSet, an array of objects in memory and to many other types of data as well. LINQ requires the presence of specific language extension s.