Laravel migration update table

php artisan make:migration update_users_table

<?php

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

class UpdateUsersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('users', function (Blueprint $table) {
            $table->string('name', 255)->nullable(true)->change();
            $table->renameColumn('first_name', 'full_name');
            $table->dropColumn('age');
            $table->string('email')->unique()->change();
            $table->integer('gender');
        });
    }
    
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('users', function (Blueprint $table) {
            $table->string('name', 255)->nullable(false)->change();
            $table->renameColumn('full_name', 'first_name');
            $table->integer('age');
            $table->dropUnique('email');
            $table->dropColumn('gender');
        });
    }
};

Now, run the command php artisan migrate