Pro T-SQL 2008 Programmer's Guide

Appendix B. XQuery Data Types

SQL Server 2008 supports the data types defined in the XQuery Data Model (XDM). The supported data types are listed with their definitions in Table B-1. The diagram in Figure B-1 is a quick reference showing the relationships between the XDM data types.

Figure B.1. XQuery Data Type System

Table B.1. XQuery Data Types

Type	Description
Base Types
xs:anySimpleType	This is the base type for all simple built-in types.
xs:anyType	This is the base type for xs:anySimpleType and complex built-in types.
Date/Time Types
xs:date	This type represents a Gregorian calendarbased date value exactly one day in length, represented in the format ...