"Grouping Sets ()" is a new addition to T-SQL in 2008.
refer SQL2008 BOL page:
ms-help://MS.SQLCC.v10/MS.SQLSVR.v10.en/s10de_0evalplan/html/09f0096e-ab95-4be0-8c01-f98753255747.htm
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Space, the final frontier? not any more...
All limits henceforth are self-imposed.
“libera tute vulgaris ex”