December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Query Statistics
In addition to the new dynamic management objects, SQL Server 2012 still provides the SET STATISTICS IO and SET STATISTICS TIME options, which display the logical and physical page reads incurred by a query and the CPU and elapsed time, respectively. These two SET options return statistics only from the actual execution of a query, as opposed to the estimates returned by SSMS and the SHOWPLAN options discussed previously. These two tools can be very useful in determining the actual cost of a query.
In addition to the IO and TIME statistics, SQL Server also provides the SET STATISTICS PROFILE and SET STATISTICS XML options. These options are provided to display execution plan information while also allowing the query to be executed. ...