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Upgrade databases to SQL Server 2005 after server upgrade

EXPERT RESPONSE FROM: Denny Cherry

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QUESTION POSED ON: 10 December 2007
I need to upgrade a SQL Server 2000 SP4 to SQL Server 2005. As all my other 2005 servers are "clean installs," i.e. not upgrades, I'd like to take the same approach with this one. So, the plan is to back up the databases, uninstall SQL Server 2000, install SQL Server 2005 SP2 and attach databases. Now, obviously these will be 2000 databases. How do I upgrade the databases to SQL Server 2005, and scripts/stored procedures etc? Can you enclose the necessary links or stored procedures?

EXPERT RESPONSE
The SQL Server 2000 databases will be upgraded to SQL Server 2005 as soon as they are attached to the SQL Server 2005 instance. You will need to change the compatibility level from 80 (SQL 2000) to 90 (SQL 2005) in order to get the full benefit of SQL Server 2005. After you attach the databases to the SQL Server 2005 instance and change the compatibility level, it's recommended that you rebuild your indexes and update your statistics.

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