Defining relationships in Code First Fluent API

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C#

entity-framework

Hi,

I just started with EF Code First. And I have a question about this. What is the advantage of defining relationships through the Fluent API?

When I create the database from my poco's (or entities) I already have one-to-many and/or many-to-many relationships between my tables.

For ex:

public class School
    {
        public School()
        {
            Students = new List<Student>();
        }

        public Guid Id { get; set; }
        public string Name { get; set; }
        public List<Student> Student{ get; set; }
    }


public class Student
    {
        public Guid Id { get; set; }
        public string Firstname { get; set; }
        public string Lastname { get; set; }
        public Guid SchoolId{ get; set; }
        public School School{ get; set; }
    }

This creates already a relationship between Students and School. Does defining a relationship through the Fluent API gives advantages? Or not?

Thanks in advance!