DbContextis simply the way for the developers to incorporate Entity Framework based data to the application.
ObjectContextclass, but now in the latest version, we have
DbContextin Entity Framework Core consist of the following features and responsibilities:
DbContextallows the user to manage the complete database. It allows the user to create, delete or check for the existing database connections inside the given project.
DbContextalso allows the user to check, establish and close the connections between the databases as per the requirement of the project.
DbContextrepresents all the entities in a project, it also manages these entities throughout their lifetime. It also applies CRUD operations on all the entity types, such as
DbContextalso converts the LINQ queries to the SQL queries using the querying method.
DbContextincludes the Change Tracker API which tracks all the changes when entities are added, updated or deleted.
DbContextperforms all the CRUD related operations, It persists all the changes made to the database.
DbContextkeeps all the changes made to the entities throughout their lifetime in the form of first-level cache files.
DbContextalso performs model binding operations in which it automatically read classes and code-based configuration to build an in-memory model, metadata and database.
DbContextconverts the queries from the database tables into entities.
DbContextconfigures the behavior of the context of the databases.
DbContextchecks the validity of the data and performs automatic validation of the data.
DbContextin Entity Framework Core, there are three types of query operations which can be performed, they are:
DbContext, the developer must prepare the relevant code related to the database.
SaveChangesmethod insert all entities to the database.
DbContextin order to check its state and change it to Deleted.
DbContext.Removemethod, after applying this code, the
DbContextusually executes two SQL Statements.