After renaming fields, assigning aliases, and creating several calculated fields, you need to preserve these metadata changes so they are available in new workbooks without embedding any of the underlying data. Which Tableau Desktop option should you choose?
Add the data source to Saved Data Sources, creating a .tds file
Choosing Add to Saved Data Sources creates a .tds file that stores only metadata-field names, aliases, default properties, calculations, joins, and connection information-without including the actual data. Saving a workbook (.twb or .twbx) keeps the metadata but ties it to the current workbook; a packaged workbook (.twbx) also includes data. Exporting a .hyper extract or packaging the data source as a .tdsx both embed data, which the scenario specifically aims to avoid.
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What is a .tds file in Tableau?
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What is the difference between .tds and .tdsx files?
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Why would you choose a .tds file instead of a .twbx file?
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What is a .tds file in Tableau?
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How is a .tds file different from a .tdsx file?
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Why can't a .hyper extract be used in this scenario?
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Tableau Desktop Foundations
Connecting to and Preparing Data
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