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2.1.2.39 [ISO/IEC9075-14:2011] X057, Advanced table mapping: metadata mapping

V0074:

The specification states the following:

 Subclause 9.14, "Mapping an SQL schema to an XML document and an XML Schema document": 
  
 Without Feature X057, "Advanced table mapping: metadata mapping", a conforming application shall not invoke this Subclause of this part of this International Standard with RETURN not set to "metadata only".
  
 Subclause 9.17, "Mapping an SQL catalog to an XML document and an XML Schema document": 
  
 Without Feature X057, "Advanced table mapping: metadata mapping", a conforming application shall not invoke this Subclause of this part of this International Standard with RETURN not set to "metadata only".

The [ISO/IEC9075-14:2008] specification differs as follows:

 Without Feature X057, "Advanced table mapping: metadata mapping", a conforming application shall not invoke this Subclause of this part of this International Standard with METADATA set to True.

Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows:

Transact-SQL does not support this feature. See the XMLSCHEMA argument of the FOR XML clause [MSDN-SSDBEng] for equivalent functionality.

This variation pertains to XML 1.0 [XML10/5] functionality in SQL Server.