Load child entity on the fetch of the Parent entity EFCore

Question

I have the below model. What is the better way to load the parent entity with child entity at the time of fetching from the DB with find method?

Parent Entity:

Answer 1

In EF, there is a concept called Eager Loading using .Include.

MS Docs - Loading Related Data - EF Core

.NET Fiddle

using MyContext context = new MyContext();

IList clients =
    context.Clients
        .Include(c => c.Address)
        .Where(c => c.LastName == "patel")
        .ToList();