banki.test/migrations/m240819_084542_parameters.php

<?php

use yii\db\mysql\Schema;
use yii\db\Migration;

/**
 * Class m240819_084542_parameters
 */
class m240819_084542_parameters extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $this->createTable('parameters', [
            'id' => Schema::TYPE_PK,
            'title' => Schema::TYPE_STRING . ' NOT NULL',
            'type' => 'TINYINT NOT NULL CHECK (type IN (1, 2))',
        ]);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        $this->dropTable('parameters');
    }

    /*
    // Use up()/down() to run migration code without a transaction.
    public function up()
    {

    }

    public function down()
    {
        echo "m240819_084542_parameters cannot be reverted.\n";

        return false;
    }
    */
}