Hello kylin

Does in the insight tab,  when i query something, that query reachs the HBase 
and get data from it or it just query the datasource.

And one more thing, using BI tools like Tableau software, PowerBI or Saiku, are 
they querying the cubes or only the datasource,
Things are still unclear for me, can someone explain it!!

Best regards.
Khalil

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