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All versions of Microsoft SQL Server (not MySQL). Please also add a version-specific tag, like sql-server-2016, since it is often relevant to the question.

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SQL Server Database Design for Reporting

We are designing a reporting solution for survey results. Although datasets are reasonable in size (rarely more than 500.000 respondents and 50 questions), performance is obviously a major concern. D …
Rasmus B's user avatar
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SQL Server Database Design for Reporting

We did some performance tests and found that - with scenarios that are typical for our application domain - it is 10-20 times faster to query data when stored in a regular "tabular" format.
Rasmus B's user avatar