newznab-tmux/database/migrations/2017_10_12_124141_create_countries_table.php

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateCountriesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('countries', function (Blueprint $table) {
            $table->char('id', 2)->primary()->comment('2 character code.');
            $table->char('iso3', 3)->unique('code3')->comment('3 character code.');
            $table->string('country', 180)->unique('country')->comment('Name of the country.');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('countries');
    }
}