What is Sequelize?

Short answer: Sequelize is a popular ORM for relational databases like MySQL, PostgreSQL, SQLite, and MSSQL. It allows you to: Define models with JavaScript classes Handle migrations and schema changes Write complex queries using JavaScript instead of raw SQL

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

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.