Data model trade-offs | Postgres.FM 070 |
[ 🇬🇧_🇺🇸 Check out the subtitles – we now edit them, ChatGPT+manually! You can also try YouTube's auto-translation of them from English to your language; try it and share it with people interested in Postgres!]
Nikolay and Michael discuss data model trade-offs — some cases where you might want to (gasp) de-normalize, and which PostgreSQL internals are at play.
Here are some links to things they mentioned:
Our episode on JSON https://postgres.fm/episodes/json
PostgreSQL limits https://www.postgresql.org/docs/curre...
Boyce–Codd normal form https://en.wikipedia.org/wiki/Boyce%E...
Our episode on over-indexing https://postgres.fm/episodes/over-ind...
Heap-Only Tuples (HOT) optimisation https://www.postgresql.org/docs/curre...
The Surprising Impact of Medium-Size Texts on PostgreSQL Performance https://hakibenita.com/sql-medium-tex...
Query planner settings (collapse limits and Genetic Query Optimizer) https://www.postgresql.org/docs/curre...
WITH Queries (Common Table Expressions) https://www.postgresql.org/docs/curre...
Our episode on benchmarking https://postgres.fm/episodes/benchmar...
The tests and benchmarks Nikolay mentioned https://gitlab.com/postgres-ai/postgr...
~~~
What did you like or not like? What should we discuss next time? Let us know in the comments, or by tweeting us on @samokhvalov / samokhvalov and @michristofides / michristofides
~~~
Postgres FM is brought to you by:
Nikolay Samokhvalov, founder of Postgres.ai https://postgres.ai/
Michael Christofides, founder of pgMustard https://pgmustard.com/
~~~
This is the uncut version, with video. Check out https://Postgres.fm to find audio-only podcast episodes, edited for convenient listening.