Initial commit

priv/repo/migrations/20201128001745_create_students.exs

@@ -0,0 +1,15 @@
+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