How to normalize a many‑to‑many relationship?

I'm designing a schema for a system where users can have multiple roles and roles can belong to multiple users. How should I structure the tables?

Posted by Alice on Sep 1, 2025 • 0 replies • 12 views

Best practices for indexing JSON columns in PostgreSQL

We store dynamic attributes in a JSONB column. What indexing strategies give the best query performance?

Posted by Bob on Aug 28, 2025 • 0 replies • 8 views

Migrating from MySQL 5.7 to 8.0 – gotchas?

Our production environment is still on 5.7. What issues should we expect during the upgrade?

Posted by Clara on Aug 22, 2025 • 0 replies • 15 views

Understanding CAP theorem in modern distributed databases

Can someone explain how different NoSQL databases position themselves on the CAP triangle?

Posted by Dev on Aug 15, 2025 • 0 replies • 5 views

Why is my SQLite database size growing?

After many inserts, the file size keeps increasing even after deleting rows. Any cleanup tips?

Posted by Eve on Aug 10, 2025 • 0 replies • 9 views