Nikolay and Michael discuss some Postgres Gotchas, things you might expect to work one way in fact working another way. Here are some links to things they mentioned:Our episode on NULLs https://postgres.fm/episodes/nulls-the-good-the-bad-the-ugly-and-the-unknownPostgres Gotchas (list by Ian Barwick) https://sql-info.de/postgresql/postgres-gotchas.htmlOur episode on slow count https://postgres.fm/episodes/slow-countDiscussion on X about major version upgrades and statistics https://x.com/samokhvalov/status/1844593601638260850Our episode on upgrades https://postgres.fm/episodes/upgradesStatistics Import and Export (commitfest entry which link to email thread) https://commitfest.postgresql.org/50/4538/vacuumdb https://www.postgresql.org/docs/current/app-vacuumdb.htmlvacuum_cost_delay https://www.postgresql.org/docs/current/runtime-config-resource.html#GUC-VACUUM-COST-DELAYZero-downtime Postgres schema migrations need lock_timeout and retries (blog post by Nikolay) https://postgres.ai/blog/20210923-zero-downtime-postgres-schema-migrations-lock-timeout-and-retriesPostgres Hacking 101: adding params, prevent_unqualified_deletes and prevent_unqualified_updates https://www.youtube.com/watch?v=samLkrC5xQA PostgREST suggestion to use pg-safeupdate https://docs.postgrest.org/en/v12/integrations/pg-safeupdate.html#pg-safeupdateDBOS (new company co-founded by Michael Stonebraker) https://www.dbos.dev~~~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 produced by:Michael Christofides, founder of pgMustardNikolay Samokhvalov, founder of Postgres.aiWith special thanks to:Jessie Draws for the elephant artwork 

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