Fatal error: Uncaught mysqli_sql_exception: Unknown database 'precos' in C:\xampp\htdocs\coletor\Integracao_softcom\iniciar_testes\preco\preco_certo\php\conexaomysql.php:3 Stack trace: #0 C:\xampp\htdocs\coletor\Integracao_softcom\iniciar_testes\preco\preco_certo\php\conexaomysql.php(3): mysqli_connect('localhost', 'root', Object(SensitiveParameterValue), 'precos') #1 C:\xampp\htdocs\coletor\Integracao_softcom\iniciar_testes\preco\preco_certo\php\importador.php(4): require_once('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\coletor\Integracao_softcom\iniciar_testes\preco\preco_certo\php\conexaomysql.php on line 3