The Hitchhiker’s Guide to the EXPLAIN PLAN Part 27: Throw Away That EXPLAIN PLAN! (Part I)

(Iggy Fernandez) We tend to overuse any tool—EXPLAIN PLAN in this case—that we are most familiar with. Watch this fascinating YouTube video Rewriting SQL Queries for Performance in 9 Minutes by Stephane Faroult in which he makes a good argument that execution plans should not be the first thing to l

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