Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1049] Unknown database 'tax' in C:\xampp\htdocs\avsbill.dealcareer.com\database_connection.php:4 Stack trace: #0 C:\xampp\htdocs\avsbill.dealcareer.com\database_connection.php(4): PDO->__construct('mysql:host=loca...', 'root', '') #1 C:\xampp\htdocs\avsbill.dealcareer.com\index.php(2): include('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\avsbill.dealcareer.com\database_connection.php on line 4