XML
XML (Extensible Markup Language) is a widely-used data format for storing and exchanging structured data on the web. In SQL Server 2008, XML is a first-class data type, meaning that it can be stored as a column in a table, and queried using specialized XML functions and operators.
XML in SQL Server 2008 can be used to represent complex data structures, such as hierarchical data, lists, and arrays. XML data can be validated against a schema, which ensures that the data conforms to a predefined structure. This can be useful for ensuring data integrity and consistency in a database.
SQL Server 2008 provides several functions for working with XML data, such as FOR XML, which converts relational data into XML, and OPENXML, which allows you to manipulate XML data using standard SQL statements. Additionally, SQL Server 2008 supports XQuery, a powerful query language for searching and manipulating XML data. Overall, XML support in SQL Server 2008 provides a flexible and powerful way to store and query structured data in a database.
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