defmodule Confient.Repo.Migrations.CreateStudents do
  use Ecto.Migration

  def change do
    create table(:students) do
      add :lastname, :string
      add :firstname, :string
      add :class_id, references(:classes, on_delete: :delete_all)

      timestamps()
    end

    create unique_index(:students, [:lastname, :firstname, :class_id])
  end
end