Skip to Main Content
Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

GROUPING SETS

The CUBE and ROLLUP operators allow you to run a single query and generate multiple sets of groupings. However, the sets of groupings are fixed. For example, if you use GROUP BY ROLLUP (A, B, C), you get aggregates generated for the following groupings of nonaggregate columns:

GROUP BY A, B, C

GROUP BY A, B

GROUP BY A

• A super-aggregate for all rows

If you use GROUP BY CUBE (A, B, C), you get aggregates generated for the following groupings of nonaggregate columns:

GROUP BY A, B, C

GROUP BY A, B

GROUP BY A, C

GROUP BY B, C

GROUP BY A

GROUP BY B

GROUP BY C

• A super-aggregate for all rows

SQL Server 2008 introduces the GROUPING SETS operator in addition to the CUBE and ROLLUP operators for performing several ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Microsoft® SQL Server 2005 Unleashed

Microsoft® SQL Server 2005 Unleashed

Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein, Tudor Trufinescu, John Kane
Microsoft® SQL Server™ 2005 Administrator's Companion

Microsoft® SQL Server™ 2005 Administrator's Companion

Edward Whalen, Marcilina Garcia, Burzin Patel, Stacia Misner, Victor Isakov
Microsoft® SQL Server® 2008 Internals

Microsoft® SQL Server® 2008 Internals

Paul Randal Kalen Delaney Kimberly Tripp, and Conor Cunningham

Publisher Resources

ISBN: 9780768696585Purchase book