This
section describes the SQL extensions for accessing and processing XML
documents in SQL statements. xmlextract, xmlparse,
and xmltest are new reserved words, introduced
by XML services.
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 and indexes an
XML document for more efficient processing.
|
xmlrepresentation
|
A built-in function that determines whether
a given image column contains a parsed XML document.
|
xmlvalidate
|
A built-in function that validates an
XML document against a DTD or XML schema.
|
