SQL 2008 and/or 2012-- is backwards compatibility possible to open 2005 databases?

SQL 2008 and/or 2012-- is backwards compatibility (BC) possible to open 2005 databases? I have some DBAs that are going to need to work with DBs created with 2005. They've been trying to get BC working and testing with 2005 DBs, but doesn't seem to be working. Any ideas?

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What is it that you would like to do?? Normally you can just restore or import a database of an older SQL version and the newer SQL version will automatically use a different compatibility mode (2005 is 90). So this should be possible.

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Scott PletcherSenior DBACommented:
The newer version of SQL must upgrade the databases to its version when they are restored / attached.  You can specify SQL 2005 compatibility level, which applies to certain elements of syntax.  But the db itself has been converted to the upper level.  Therefore, for example, that db could not be detached from 2008/2012 and attached back to 2005.
That's true indeed, but restoring the database would do the trick.
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Microsoft SQL Server 2008

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