Additional Notes
Why avoid cross-service SQL joins?
Track: Java
Topic: Microservice Architecture
Focus: Database per Service
Java: Database per Service
Answer
They create hidden coupling and undermine independent schema evolution.
A service boundary is weaker if one service directly depends on another service's tables. APIs, events, or replicated views are safer ways to cross the boundary without merging data ownership.
A service boundary is weaker if one service directly depends on another service's tables. APIs, events, or replicated views are safer ways to cross the boundary without merging data ownership.
Topics: Database per Service Java Microservice Architecture