Databases
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    <p>Those numbers seem backwards but anyway <code>downgrade path is not supported</code> is the key sentence. </p> <p>Based on that error message you are trying to do something like attach a SQL Server 2008 R2 database to a SQL Server 2008 instance. That is not possible. You cannot attach a newer database <code>.MDF</code> to an older platform. </p> <p>See this link for <a href="http://weblogs.sqlteam.com/dang/archive/2011/07/17/internal-sql-server-database-version-numbers.aspx" rel="nofollow">internal version numbers</a>:</p> <p>Check your instance to make sure that it actually is 2008R2.</p> <pre><code>Select SERVERPROPERTY('productversion') As [Version], SERVERPROPERTY('productlevel') As [Level], SERVERPROPERTY('edition') As [Edition] </code></pre> <p>And then cross reference with this:</p> <ul> <li>10.5.1600.1 Microsoft SQL Server 2008 R2 </li> <li>10.50.2500.0 Microsoft SQL Server 2008 R2 SP1 </li> <li>10.00.1600 Microsoft SQL Server 2008 </li> <li>10.00.2531.00 Microsoft SQL Server 2008 SP1 </li> <li>10.00.4000.00 Microsoft SQL Server 2008 SP2 </li> <li>10.00.5500.00 Microsoft SQL Server 2008 SP3 </li> <li>9.00.1399 Microsoft SQL Server 2005 RTM </li> <li>9.00.2047 Microsoft SQL Server 2005 SP1 </li> <li>9.00.3042 Microsoft SQL Server 2005 SP2 </li> <li>9.00.3042.01 Microsoft SQL Server 2005 SP2a </li> <li>9.00.4035 Microsoft SQL Server 2005 SP3</li> </ul> <p>Or look directly into your <a href="http://support.microsoft.com/kb/321185" rel="nofollow">installed instances like this</a>.</p>
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    1. POHow to attach my DB.mdf?
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    1. COits actually 2008R2. and if not plz send me link for it i redownload ( i am windows 7 )
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    2. COhttp://www.microsoft.com/en-us/download/details.aspx?id=23650
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    3. COAlso make sure that the original MDF was express. There may be some features from an standard, enterprise, developer MDF that will not properly attach to express.
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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