It provides an interface that lets users learn, create, delete, and replace data. Data is a collection of data including textual content, numbers, and media, all of which could be organized in databases. They are controlled by database management methods that act as an interface between customers and databases and handle data, database engines, and schemas. LINQ, or Language Integrated Query, is a language that extracts and processes information from XML documents, relational databases and different third-party sources. With LINQ, you possibly can entry information by way of various sources with out having to make use of a separate database language for each. This ensures consistency among queries for objects, relational databases and XML, permitting you to filter, order and group operations.