Summary: in this tutorial, you will learn about DbContext in EF Core and its important features.
Introduction to the EF Core DbContext
In EF Core, the DbContext class works like a bridge between your application and the database. It is responsible for managing database connections and providing interfaces for interacting with the underlying database using strongly-typed C# objects.
The DbContext class offers a set of functionalities that simplify common database operations such as inserting, updating, querying, and deleting data.
The following highlight some of the keys feature of the DbContext class:
Database Context
The DbContext object represents a session with the database and serves as a container for all the entities that are being tracked.
Entity Mapping
The DbContext maps your domain model classes (also known as entities) to database tables. By defining DbSet properties within the DbContext, you can associate entity classes with specific database tables or views.
Change Tracking
The DbContext keeps track of changes made to the entities within its scope. It can detect additions, modifications, and deletions, which allows for efficient updates to the database.
Querying
The DbContext provides methods to query the database using LINQ (Language Integrated Query) syntax. You can write LINQ queries against DbSet properties to retrieve data from the corresponding tables.
Transaction Management
The DbContext allows you to manage transactions when performing multiple database operations as a single unit of work. Via the DbContext’s interface, you can start, commit, or roll back transactions.
Configuration
The DbContext allows you to define various aspects of how it interacts with the database. This includes specifying the database provider, connection string, and other important settings.
Summary
- Use DbContext to simplify the database operations.
