<!-- 테이블 생성 (최초 1회만 실행되게 주석 처리함)
$mysqli->query("
    CREATE TABLE IF NOT EXISTS `tickets` (
        `id` int(11) NOT NULL AUTO_INCREMENT,
        `name` varchar(50) DEFAULT NULL,
        `category` varchar(50) DEFAULT NULL,
        `child_price` int(11) DEFAULT NULL,
        `adult_price` int(11) DEFAULT NULL,
        `child_qty` int(11) DEFAULT NULL,
        `adult_qty` int(11) DEFAULT NULL,
        `note` varchar(100) DEFAULT NULL,
        `latest_update` bigint(20) NOT NULL DEFAULT unix_timestamp(),
        PRIMARY KEY (`id`)  
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
"); -->

<br />
<b>Fatal error</b>:  Uncaught mysqli_sql_exception: Access denied for user 'dsu'@'localhost' (using password: YES) in B:\xampp\htdocs\dongseo.vip\webprogramming20251\homework4.php:19
Stack trace:
#0 B:\xampp\htdocs\dongseo.vip\webprogramming20251\homework4.php(19): mysqli-&gt;__construct('localhost', 'dsu', Object(SensitiveParameterValue), 'tsphp')
#1 {main}
  thrown in <b>B:\xampp\htdocs\dongseo.vip\webprogramming20251\homework4.php</b> on line <b>19</b><br />