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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

Using Database Snapshots from a Mirror for Reporting

A powerful configuration to help offload reporting workload is to use database snapshots with database mirroring. A database snapshot is a highly efficient feature of SQL Server 2008 that allows for the generation and use of a read-only, stable view of a database at a moment in time (hence, it’s called a snapshot). The database snapshot is also created without the overhead of creating a complete copy of the database or having completely redundant storage. A database snapshot is simply a reference point of the pages used in the database (that is defined in the system catalog). When pages are updated, a new page chain is started that contains the data pages changed since the database snapshot ...

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Publisher Resources

ISBN: 9780768696585Purchase book