XML query functions

This section describes the SQL extensions for accessing and processing XML documents in SQL statements. The functions are as follows:

**Table 2-1: XML query functions**
Function	Description
xmlextract	A built-in function that applies an XML query expression to an XML document and returns the selected result.
xmltest	A SQL predicate that applies an XML query expression to an XML document and returns the boolean result.
xmlparse	A built-in function that parses an XML document for more efficient processing.
xmlrepresentation	A built-in function that determines whether a given image column contains a parsed XML document.