Cluster key on Dimension table

I have a surrogate key (auto-increment) in the dimension table and there are some other fields (not business key) that will be used for report query. Should I need to create a clustered index to include these keys ? Or the clustered index should only include business key of Fact tables and I should create a separate index to include those columns that will only used for report query and pivot columns ?


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If the reports are accessed frequently, then you must include them in the clustered index. It all depends upon your usage. If the usage is not much and only for reports, its better to include them in non-clustered ones. Again, including them in clustered, will create overhead while doing DML statements on the table. So, just test before puttting them on board.

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Microsoft SQL Server 2008

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