Dumb question: was the data ETL'd into a star schema first? That can make a big ... | Hacker News

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jacques_chester on Feb 26, 2013 | parent | context | favorite | on: Redshift Performance and Cost

Dumb question: was the data ETL'd into a star schema first? That can make a big difference, especially in columnar stores.

bloomfilter on Feb 27, 2013 [–]

We sort of made it a partial star schema, but not strictly. since random join can be expensive

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