How does Entity Framework determine the corresponding model class when working with a database?

Entity Framework (EF) determines the corresponding model class for a database table based on the model configuration, which is usually specified in code using context classes (DbContext) and DbSet<T> properties.

Main mapping methods:

• By class name and table name: EF by default maps the model class to a table with the same name as the class (considering naming conventions).
• Through attributes (Data Annotations), e.g., [Table("TableName")], which explicitly specify the table name.
• Through Fluent API in the OnModelCreating method of the context class, where you can configure mappings between classes and tables, as well as between properties and columns.

Example:

public class MyContext : DbContext
{
    public DbSet<User> Users { get; set; }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<User>().ToTable("UsersTable");
    }
}

public class User
{
    public int Id { get; set; }
    public string Name { get; set; }
}

Here, EF knows that the User class corresponds to the UsersTable table.

Thus, EF uses configuration and conventions to determine which model class is associated with which table in the database.