What are the main differences between Entity Framework (EF6) and EF Core?

Short answer: Feature EF6 EF Core Platform .NET Framework only Cross-platform (.NET Core) Performance Slower Faster and more optimized LINQ support Limited Enhanced Change tracking Basic More efficient Migrations Available Improved and CLI-friendly Extensibility Limited Highly extensible

Real-world example (ShopNest)

ShopNest’s order service uses EF Core to save an Order and its line items in one SaveChangesAsync() call inside a transaction.

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.