ASP.NET Core Entity Framework Model | Foreign Key & Data Annotations we explain how to create an Entity Framework model using Data Annotations in ASP.NET Core. You’ll learn: How to use [Table], [Key], and [ForeignKey] How to define relationships between tables How to map Product & PackageDetail entities How composite keys and navigation properties work This tutorial is useful for beginners and intermediate developers working with: ✔ ASP.NET Core ✔ Entity Framework Core ✔ Code First approach 📌 W