非持久性连接

<?php
//非持久性连接
$dsn = 'mysql://root:pwd@localhost/mydb';
$db = NewADOConnection($dsn);
if (!$db)
die("Connection failed");

//无须调用方法Connect()或PConnect()
$res = $db-> Execute("SELECT * FROM table");

//持久性连接DSN
$dsn2 = "mysql://root:pwd@localhost/mydb?persist";