• 7: Cost Based Optimizer, Decorrelate subqueries, and does Presto make my RDBMS faster?

  • Dec 21 2020
  • Length: 1 hr and 12 mins
  • Podcast

7: Cost Based Optimizer, Decorrelate subqueries, and does Presto make my RDBMS faster?

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  • Summary

  • Table of Contents:

    - Intro Song: 00:00

    - Intro: 00:20

    - News: 3:27

    - Concept of the week: Cost Based Optimizer 16:48

    - PR of the week: PR 1415 Decorrelate subqueries with Limit or TopN 43:09

    - PR Demo: EXPLAIN Decorrelate subqueries with Limit or TopN 53:36

    - Question of the week: Will running Presto on my relational database make processing faster? 1:02:24

    Show Notes: https://prestosql.io/episodes/7.html

    Show Page: https://prestosql.io/broadcast/
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