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How To Improve Tableau Prep Builder Performance


Published: 07 Aug 2019
Last Modified Date: 14 May 2020

Question

How to improve Tableau Prep Builder performance.

Environment

  • Tableau Prep Builder

Answer

Here are some potential options of improving Tableau Prep Builder performance.

1. Avoid wildcard union of a large amount of Excel / Text files.
2. Use a database as a data source instead of flat files to avoid the use of union.
Or, save the data in only one file or a few files.
 
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