Link to reference implementations, tip and techniques with databases ( OLAP, OLTP , Hybrid and Everything in between)
Postgres
- Realtime Materailized Views Using PG IVM https://github.com/shashanksingh/Awesome-Postgres-Realtime-Materialized-Tables-Using-PG-IVM
- Realtime Materialized Views Using Timescale https://github.com/shashanksingh/Awesome-Postgres-Realtime-Materialized-Tables-Using-Timescale