Entity Framework Core

<aside> 📚 📁 Category: Dotnet

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Overview

Entity Framework Core is a lightweight, extensible ORM for .NET that enables data access using strongly-typed .NET objects without writing SQL.

<aside> ℹ️ Why It Matters: Understanding Entity Framework Core is essential for building robust, scalable, and secure modern applications.

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Key Concepts

[x] DbContext - Database session
[x] Code First - Define models in code
[x] Migrations - Database versioning
[x] LINQ Queries - Language-integrated queries
[x] Change Tracking - Monitor entity changes
[x] Lazy Loading - Load related data on demand
[x] Eager Loading - Include related data
[x] Raw SQL - Execute custom queries

Common Use Cases

<aside> 💡 Where to Apply Entity Framework Core

                        Database access in .NET apps
                        Domain model persistence
                        CRUD operations
                        Complex queries with LINQ
                        Database migrations
                        Multi-database support

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Best Practices

[x] Use AsNoTracking for read-only queries
[x] Avoid N+1 query problems
[x] Use projections to select specific fields
[x] Implement repository pattern