Tableau Data Connection Data Connection The data connection format allows us to store information about what data should be available in the database in the form of a data table. Live Connection Extract Connection Live Connection Live connections facilitate real-time updates. So that in any way, when the data source is updated, it shows the same data in real time which is present in the database. Extract Connection Extract is a kind of batch that needs to be refreshed periodically to get updated data. Extracts are often much faster than live connections.
Technical and Operational Guidance Series.