Synchronous Replication:?

Short answer: Data is written to both the primary and secondary database simultaneously. Advantages: Ensures data consistency between all replicas. Disadvantages: May incur performance overhead due to the need to wait for replication.

Real-world example (ShopNest)

ShopNest’s SQL Server database stores customers, products, and orders. Good indexes and clear foreign keys keep checkout queries fast and safe.

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.