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Data Extracts vs. Live connections

Siddharth P.
10/09/2020 0 0


  • Offer the convenience of real-time updates
  • much faster
  • Parameters like network speed, traffic on that network, and any custom SQL can affect the performance.


  • Snapshots of data optimized for aggregation and loaded into system memory.
  • Slower
  • Tableau’s in-memory data engine queries the extract directly.
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