PHP对postgreSQL数据库进行增删查改,该怎么处理

$db = new PDO('pgsql:dbname=test host=localhost', $user, $pass);
$db ->query('select ......');
$db ->exec('insert ......');
$db ->exec('update ......');
$db ->exec('delete ......');

------解决方案--------------------

探讨


PHP code
$db = new PDO('pgsql:dbname=test host=localhost', $user, $pass);
$db ->query('select ......');
$db ->exec('insert ......');
$db ->exec('update ......');
$db ->exec('delete ......');

不明白的翻……