Fatal error: Uncaught mysqli_sql_exception: No database selected in /System/Volumes/Data/Web/12DGT/ca20107/trial/trial.php:20 Stack trace: #0 /System/Volumes/Data/Web/12DGT/ca20107/trial/trial.php(20): mysqli->query('SELECT * FROM `...') #1 {main} thrown in /System/Volumes/Data/Web/12DGT/ca20107/trial/trial.php on line 20