postgres internals - ghdrako/doc_snipets GitHub Wiki
- https://postgrespro.com/blog/pgsql/5969985
- https://www.interdb.jp/pg/
- https://www.postgresql.org/files/developer/tour.pdf (old)
- https://momjian.us/main/writings/pgsql/internalpics.pdf
- https://patshaughnessy.net/2014/10/13/following-a-select-statement-through-postgres-internals
- https://patshaughnessy.net/2014/11/11/discovering-the-computer-science-behind-postgres-indexes
Docs
- https://www.postgresql.org/docs/current/internals.html
- https://www.postgresql.org/docs/current/wal-internals.html
- https://www.fullstackpython.com/postgresql.html