Inventory reserved?

Short answer: If payment fails: Compensation triggered → cancel order Implementation in Azure: Azure Service Bus (events) Each service listens & reacts Advanced insight: Avoid 2-phase commit Use idempotency + retry mechanisms

Example code

If payment fails: Compensation triggered → cancel order Implementation in Azure: Azure Service Bus (events) Each service listens & reacts Advanced insight: Avoid 2-phase commit Use idempotency + retry mechanisms

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.