diff --git a/db/migrate/20161014091417_create_testcases.rb b/db/migrate/20161014091417_create_testcases.rb
new file mode 100644
--- /dev/null
+++ b/db/migrate/20161014091417_create_testcases.rb
@@ -0,0 +1,15 @@
+class CreateTestcases < ActiveRecord::Migration
+  def change
+    create_table :testcases do |t|
+      t.references :problem
+      t.integer :num
+      t.integer :group
+      t.integer :score
+      t.text :input
+      t.text :sol
+
+      t.timestamps
+    end
+    add_index :testcases, :problem_id
+  end
+end