The databases are compatible between 32 and 64-bit SQL Server. IOW, there's no difference between DBs.

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>When I am starting to install SQL Server 2005 Developers Edition on 64 bit Windows 7, I am prompted to select if I want to install the x86 or x64 based OS version of SQL Server. If I install 64-bit version of SQL Server will I later have problems when moving my databases created in the x86 version of the SQL Server?
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>TIA