How do you analyze SQL performance in Azure SQL?

Short answer: Use Query Performance Insight in Azure SQL portal Monitor DTU consumption, long-running queries, blocking sessions Enable Query Store for historical analysis

Real-world example (ShopNest)

ShopNest on Azure typically uses App Service + SQL Database + Blob Storage + Application Insights for monitoring.

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.