SQL/XML

SQL/XML or XML-Related Specifications is part 14 of the Structured Query Language (SQL) specification. In addition to the traditional predefined SQL data types like NUMERIC, CHAR, TIMESTAMP, ... it introduces the predefined data type XML together with constructors, several routines, functions, and XML-to-SQL data type mappings to support manipulation and storage of XML in a SQL database.

SQL:2003-14 defines the basic datatype, mappings, predicates and functions.
SQL:2006-14, SQL:2008-14 and SQL:2011-14 expands the older versions and approaches to XQuery.^[1]

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