The ISO/IEC 9075-08 Part 14 XML-Related Specifications (SQL/XML) defines a mapping from SQL datatypes to XML Schema datatypes.
Below are listed the Predefined SQL datatypes and their mapping to XML Schema datatypes.
The specification further defines constructed and user-defined types. Additionally the xsd:day Time Duration and xsd:year Month Duration datatypes are defined in the XQuery 1.0 and XPath 2.0 Data Model (XDM) (Second Edition), W3C Recommendation, Dec. The mapping of predefined SQL datatypes to XML Schema described in Section 4.10.5 of ISO/IEC 9075-08 Part 14 XML-Related Specifications (SQL/XML) is represented in the following table.
The XML Schema datatypes (XSD) are defined in XML Schema Part 2: Datatypes Second Edition, Oct. Facets are used to constrain the XSD since it's value space is normally more encompassing than the SQL datatype's value space.
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The REF datatype can be cast into other datatypes (namely CHARACTER VARYING) by using user-defined cast descriptions. The mapping of values of SQL datatypes to values of XML Schema is described in Section 9.8 of ISO/IEC 9075-08 Part 14 XML-Related Specifications (SQL/XML).
-By Warner Todd Huston So, you have a Stetson XXX hat, or a Portis XX hat, or a Wormser XXXX hat and you want to know what the heck those Xs mean, right? But it is neither an easy answer nor an entirely satisfactory one. Welcome searchers of history and information about men’s hats, fedoras, top hats, derbies and bowlers, and, more specifically, Stetson history.
A Glossary of Hat Terms, Words, Definitions, And Styles All the hat terms you need to know to understand the world of hats and hat wearing.
Observations on Fedora Sweatbands, Size Tags, and Fedora Dating Tips Wherein we help you date your Stetson using the tags noted.