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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

Temporary Table Performance Tips

All users in SQL Server share the same tempdb database for work tables and temporary tables, regardless of the database in which they are working. This makes tempdb a potential performance bottleneck in any multiuser system. The primary bottleneck in tempdb is disk I/O, but locking contention may also occur between processes on the tempdb system catalogs.

SQL Server 2008 alleviates the disk I/O problem by logging just enough information to allow rollback of transactions without logging all the additional information that would be necessary to recover those transactions. The recovery information is needed only when recovering a database at system startup or when restoring from a backup. Because tempdb is rebuilt ...

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Publisher Resources

ISBN: 9780768696585Purchase book