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How to perform incremental refresh in tableau?

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  1. Select a data source on the Data menu and then select Extract Data.

  2. In the Extract Data dialog box, select All rows as the number of Rows to extract. Incremental refresh can only be defined when you are extracting all rows in the database. You cannot increment a sample extract.

  3. Select Incremental refresh and then specify a column in the database that will be used to identify new rows. 

  4. Click Extract.

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