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Data model trade-offs
Nov. 3, 2023, 2 p.m. | Nikolay Samokhvalov and Michael Christofides
Postgres FM postgres.fm
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/current/limits.html
- Boyce–Codd normal form https://en.wikipedia.org/wiki/Boyce–Codd_normal_form
- Our episode on over-indexing https://postgres.fm/episodes/over-indexing
- Heap-Only Tuples (HOT) optimisation https://www.postgresql.org/docs/current/storage-hot.html
- The Surprising Impact of Medium-Size Texts on PostgreSQL Performance https://hakibenita.com/sql-medium-text-performance
- Query planner settings (collapse limits and Genetic Query Optimizer) https://www.postgresql.org/docs/current/runtime-config-query.html
- WITH Queries (Common Table Expressions) https://www.postgresql.org/docs/current/queries-with.html …
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