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I have a very high level question. could indexes on a sql server table improve the loading performance of a tableau dashboard?

if so - is there any best practice / guideline we could follow?

thanks a lot

Sergio Tagliaferri
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An index will speed up the extraction of the data to Tableaus database structure, but it will not speed up Tableau as you interact with it. There is a Tableau community website where you can find best practices, etc. on.

BobbyW
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Yes, it will speed up Tableau. Just like the indexes speed up any query (if applied properly), Tableau is the same way - it's just querying the data and displaying the results.

Best practice ? Like everything else, analyse the usage to see where it is appropriate to apply indexes. Not enough is bad, too many is bad.

cmcau
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