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We often hear that you should always have clustered indexes on your tables. What's left off of this discussion is the how to choose the columns for this index. Should it be the primary key? Or some other column or set of columns? Having the wrong key column(s) in the clustered index can lead to performance problems, possibly worse than having no clustered index on the table at all. In this session, we'll review common patterns for selecting clustered indexes and how to determine which pattern you need. Also, we'll look at how to analyze tables to help select the best clustered index for every table.