Questão 2122262

mysqli_conn; (mysqli_errno()) ; (mysqli_query(\$con,\$sql))

mysqli_conn; (mysqli_conn_errno()) ; (!mysqli_execute(\$con,\$sql))

mysqli_connect; (mysqli_connect_errno()); (!mysqli_query(\$con,\$sql))

mysqli_connect; (mysqli_connect_errno()) ; (!mysqli_execute(\$con,\$sql))