Getting started with EF Core

Getting started with EF Core LINQ Queries

Getting started with EF Core

Getting started with EF Core LINQ Queries

Introduction
Basics of EF Core
Entity Relationships
- Add related entity
- Manipulate related data
Entity Configuration
- Fluent APIs
  - Frequently used APIs
- Data Annotations
  - Frequently used annotations

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Introduction

EF Core architecture

PreviousEntity Framework Core NextEF Core Approaches

Last updated 2 years ago

EF Core architecture

The following diagram depicts the architecture behind EF Core.

The DbContext is a special class that represents a unit of work and provides methods to configure options, connection strings, logging, and the model used to map your domain to the database.

Classes deriving from `DbContext`:

Represent an active session with the database.
Save and query instances of entities.
Include properties of type DbSet<T> representing tables in the database.

The EF Core Provider translates object graph changes to SQL.

The Database Provider:

Is a plug-in library designed for a specific database engine, such as SQL Server, Azure Cosmos DB, or PostgreSQL.
Translates method calls and LINQ queries to the database's native SQL dialect.
Extends EF Core to enable functionality that's unique to the database engine.