With Nikolay taking a well-earned break, Michael covers the basics of EXPLAIN — what it is, the parameters available, and a process he recommends for using it. Here are some links to the things mentioned: EXPLAIN (docs) https://www.postgresql.org/docs/current/sql-explain.htmlUsing EXPLAIN (docs) https://www.postgresql.org/docs/current/using-explain.htmlEXPLAIN Explained (talk by Josh Berkus https://www.youtube.com/watch?app=desktop&v=mCwwFAl1pBUBeyond joins and indexes (slides from talk by Bruce Momjian) https://momjian.us/main/writings/pgsql/beyond.pdfDepesz https://explain.depesz.comDalibo https://explain.dalibo.compgMustard https://www.pgmustard.com/A beginners guide to explain (talk by Michael) https://www.youtube.com/watch?v=31EmOKBP1PY&t=24sExplain beyond the basics (talk by Michael) https://www.youtube.com/watch?v=sGkSOvuaPs4auto_explain episode https://postgres.fm/episodes/auto_explainRow estimates episode https://postgres.fm/episodes/row-estimatesSlow queries and slow transactions episode https://postgres.fm/episodes/slow-queries-and-slow-transactionsBenchmarking episode https://postgres.fm/episodes/benchmarkingEXPLAIN glossary by Michael (forgot to mention, oops!) https://www.pgmustard.com/docs/explain ~~~ What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc! ~~~ Postgres FM is brought to you by: Nikolay Samokhvalov, founder of Postgres.aiMichael Christofides, founder of pgMustardWith special thanks to: Jessie Draws for the amazing artwork