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Roshan Labh roshanlabh

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roshanlabh / 0_BQ_description.md
Created January 29, 2021 05:12 — forked from OrenBochman/0_BQ_description.md
Big Query for GA analytics

BigQuery for Google Analytics

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Self Joins

  • Cross Join example
  • Inner Join example

joins can be inefficent - they can require moving lots of data around and increase the data process from n to n * n