Friday, August 24, 2018

Lukas Eder's (of JOOQ fame) look into join elimination

I was really impressed with Lukas Eder's look into the various kinds of join elimination and which databases support them. I was surprised to see Oracle not #1 in this case, but not surprised to see MySQL in dead last.

https://blog.jooq.org/2017/09/01/join-elimination-an-essential-optimiser-feature-for-advanced-sql-usage/