January 2019
Beginner to intermediate
670 pages
18h 32m
English
Tableau Data Extract (TDE) contains a compressed local snapshot of the data pulled from any data source based on the join and extract filter conditions specified. Under the hood, it's a columnar store, which makes aggregation and column access very quick. Generally, this will be easier to work with than live-querying the database for every change. Data extracts can be published to the server so they can be used by others and scheduled to update on a regular cadence. We'll go into detail of how to create an extract in the Creating a data source extract recipe.
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