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Entity Framework and SQL Server Express bottlenecks

I have stumbled upon this slow performace problem using my local installed SQL Server 2008 Express. (For complete background see my other SO post: EF query against Database View is very slow )

Instead, when I use SQL Server 2005 as the backend, I have no issues at all.

So, my question is: what is the problem between EF4.0 and SQL Server Express?

Below are some of the things that should be kept in mind while designing your sql queries.

  • Poor Indexing
  • Poor Statistics

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