– pganalyze: https://pganalyze.com/
– Weekly series “5mins of Postgres”: https://www.youtube.com/channel/UCDV_1Dz2Ixgl1nT_3DUZVFw
– How Postgres chooses which index to use: https://pganalyze.com/blog/how-postgres-chooses-index
– CMU databases courses: https://db.cs.cmu.edu/courses/
– Postgres community: https://www.postgresql.org/community/
As well as social links:
– Mastodon: https://hachyderm.io/@lukas
– Twitter/X: @pganalyze, @LukasFittl
– GitHub: @pganalyze, @lfittl
– LinkedIn: https://www.linkedin.com/in/lfittl/ , https://www.linkedin.com/company/pganalyze/