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2.1.2.167 S301, Enhanced UNNEST

V0203:

The specification states the following:

 Subclause 7.6, "<table reference>":
  
 <collection derived table> ::=
 UNNEST <left paren> <collection value expression>
 [ { <comma> <collection value expression> }... ] <right paren>
 [ WITH ORDINALITY ]
  
 ...
  
 Conformance Rules
  
 Without Feature S301, "Enhanced UNNEST", in conforming SQL language, a <collection derived table> shall not simply contain more than one <collection value expression>.

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

Transact-SQL does not support this feature.