phase002 complete

db/migrate/20260914132020_create_vehicles.rb

@@ -0,0 +1,20 @@
+class CreateVehicles < ActiveRecord::Migration[8.1]
+  def change
+    create_table :vehicles do |t|
+      t.string :make, null: false
+      t.string :model, null: false
+      t.integer :year, null: false
+      t.string :color, null: false
+      t.string :vin, null: false
+      t.string :licence_plate, null: false
+      t.integer :current_odometer, null: false
+      t.decimal :fuel_tank_size, precision: 8, scale: 2, null: false
+      t.boolean :active, null: false, default: true
+
+      t.timestamps
+    end
+
+    add_index :vehicles, :vin, unique: true
+    add_index :vehicles, "lower(licence_plate)", unique: true, name: "index_vehicles_on_lower_licence_plate"
+  end
+end