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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

What Is Database Mirroring?

When you mirror a database, you are essentially asking for a complete copy of a database to be created and maintained, with as much up-to-the-second completeness as possible; you are asking for a mirror image. Database mirroring is a database-level feature. This means that there is no support for filtering, subsetting, or any form of partitioning. You mirror a complete database or nothing at all. This limitation actually keeps database mirroring simple and clean to implement. It also certainly provides some drawbacks, such as burning up twice the amount of disk storage, but what you get in return is well worth the cost in storage.

Database mirroring works through the transaction log of the principal database (of ...

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Publisher Resources

ISBN: 9780768696585Purchase book