'yii\db\Connection', 'dsn' => 'mysql:host=localhost;dbname=yii2basic', 'username' => 'root', 'password' => 'deep123', 'charset' => 'utf8', // Schema cache options (for production environment) //'enableSchemaCache' => true, //'schemaCacheDuration' => 60, //'schemaCache' => 'cache', ];