diff --git a/db/migrate/003_create_submissions.rb b/db/migrate/003_create_submissions.rb
new file mode 100644
--- /dev/null
+++ b/db/migrate/003_create_submissions.rb
@@ -0,0 +1,21 @@
+class CreateSubmissions < ActiveRecord::Migration
+  def self.up
+    create_table :submissions do |t|
+      t.column :user_id, :integer
+      t.column :problem_id, :integer
+      t.column :language_id, :integer
+      t.column :source, :text
+      t.column :binary, :binary
+      t.column :submitted_at, :datetime
+      t.column :compiled_at, :datetime
+      t.column :compiler_message, :text
+      t.column :graded_at, :datetime
+      t.column :points, :integer
+      t.column :grader_comment, :text
+    end
+  end
+
+  def self.down
+    drop_table :submissions
+  end
+end