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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