Is there any performance difference between SQL Server Web and Express editions?

Hope that help: link text1 microsoft.com/sqlserver/2008/en/us/editi....

I.e. The express edition will use at most 1 GB RAM and 1 CPU. – ChrisW Nov 25 '09 at 17:20 I have gone through that link and I am aware that it can use only 1 GB RAM.

But is it really causing the performance of the server or the server itself is slow? – Sheo Narayan Nov 25 '09 at 17:26.

This is due to the limitations imposed in SQL Server Express which is basically meant for only development environment. That is absolutely wrong. SQL Express is used in many, many, many production environments, where it can be a great tool.

SQL Express is not throttled in terms of the number of queries per second it can process. However, as others have said in their answers here, it is limited by RAM (1GB), DB size (4GB) and CPUs (1). If your DB is between 1GB and 4GB, you could easily notice a performance difference vs. SQL Web for scenarios where everything fits into memory on one, but not on the other.

Having said that, there are a bunch of other configuration / setup / design options that can have a much larger impact; the details depend on your data, schema, access patterns, etc.

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