Can you explain the differences between SQL and NoSQL databases and their use cases in microservices?

Short answer: SQL (Relational) Databases: Structure: Data is stored in structured tables with defined relationships (tables, rows, columns).

Explain a bit more

Consistency: Typically follows ACID (Atomicity, Consistency, Isolation, Durability) properties for transaction integrity.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.