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Microsoft® SQL Server 2012 Unleashed by Alex T. Silverstein, Chris Gallelli, Paul T. Bertucci, Ray Rankins

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Upgrading In-Place

Now that you’ve seen how to migrate your databases to SQL Server 2012 by following the side-by-side migration path, let’s look at the alternative: upgrading in-place. Unlike a side-by-side install, an in-place upgrade permanently modifies the SQL Server components, data, and metadata objects, and there is no going back. You will likely be more comfortable taking the side-by-side migration path than doing an in-place upgrade, unless a side-by-side migration is not possible because of disk space limitations, you have very few SQL Server features in use, or you are fairly confident about the potential success of the upgrade process because you’ve done extensive issue resolution with the assistance of the Upgrade Assistant.

The ...

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