With the introduction of logical tables and physical tables in the Tableau data model in version 2020.2, extract storage options have changed from Single Table and Multiple Tables, to Logical Tables and Physical Tables. For more information, see Create Extracts on the Web. Now, you no longer have to use Tableau Desktop to extract your data sources. Latest changes to extracts Extracts in the webīeginning with version 2020.4, extracts are available in web authoring and content server. Provide offline access to your data: If you are using Tableau Desktop, extracts allow you to save and work with the data locally when the original data is not available. Support additional functionality: Extracts allow you to take advantage of Tableau functionality that's not available or supported by the original data, such as the Help improve performance: When you interact with views that use extract data sources, you generally experience better performance than when interacting with views based on connections to the original data. Supports large data sets: You can create extracts that contain billions of rows of data.

When refreshing the data, you have the option to either do a full refresh, which replaces all of the contents in the extract, or you can do an incremental refresh, which only adds rows that are new since the previous refresh.Įxtracts are advantageous for several reasons:

After you create an extract, you can refresh it with data from the original data. When you create an extract of your data, you can reduce the total amount of data by using filters and configuring other limits. Use to improve performance or to take advantage of Tableau functionality not available or supported in your original data. Extracts are saved subsets of data that you can

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