September 2010
Intermediate to advanced
1704 pages
111h 8m
English
book
Microsoft® SQL Server 2008 R2 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2008 R2 Unleashed
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Defining Table Location
As databases scale in size, the physical location of database objects, particularly tables and indexes, becomes crucial. Consider two tables, Authors and Titles, that are always queried together. If they are located on the same physical disk, contention for hardware resources may slow performance. SQL Server addresses this issue by enabling you to specify where a table (or an index) is stored.
The mechanism for specifying the physical table location is the filegroup. Filegroups are aligned to physical data files. By default, each database has a primary filegroup and a data file that matches the name of the database. You can create additional filegroups and align them to other data files. When these filegroups are created, ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.