Initial commit

db/migrate/20191122151630_create_data_storages.rb

@@ -0,0 +1,12 @@
+class CreateDataStorages < ActiveRecord::Migration[5.2]
+  def change
+    create_table :data_storages do |t|
+      t.bigint :user_id, null: false, unsigned: true
+      t.string :title, limit: 64, null: false
+      t.text :data, limit: 5120, null: false
+
+      t.timestamps
+      t.index [:user_id, :title], unique: true
+    end
+  end
+end