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Can I restore the backup data from SQL Server Express to SQL Server, both 2012 versions?

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Yes. The database format is identical across all editions. An Express Edition database for sure can be restored on a non-Express Edition (you fail to mention whether is a Standard or an Enterprise Edition). The other way around it may be subject to restrictions, Express Edition will refuse to attach or restore a database that:

  • exceeds the size limitation of Express Edition
  • contains Enterprise Edition only features, like partitioned tables. On SQL Server 2012 anything from sys.dm_db_persisted_sku_features will block an Express Edition. This restriction was lifted on SQL Server 2016 SP1.

It is important that both servers (the Express Edition and the non-Express one) be at the same version.

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  • + 1 for .It is important that both servers (the Express Edition and the non-Express one) be at the same version. Commented Jun 18, 2017 at 10:10

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