title: Message: The PDO extension is required for this adapter but the extension is not loaded
body: <pre><code>An error occurred
  Application error
  Exception information:
  </code></pre>
  
  <p><code>Message:</code> The PDO extension is required for this adapter but the extension is not loaded
  Stack trace:</p>
  
  <pre><code>#0 /var/www/zf-tutorial/library/Zend/Db/Adapter/Pdo/Mysql.php(96): Zend_Db_Adapter_Pdo_Abstract-&gt;_connect()
  #1 /var/www/zf-tutorial/library/Zend/Db/Adapter/Abstract.php(448): Zend_Db_Adapter_Pdo_Mysql-&gt;_connect()
  #2 /var/www/zf-tutorial/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract-&gt;query('DESCRIBE `album...', Array)
  #3 /var/www/zf-tutorial/library/Zend/Db/Adapter/Pdo/Mysql.php(156): Zend_Db_Adapter_Pdo_Abstract-&gt;query('DESCRIBE `album...')
  #4 /var/www/zf-tutorial/library/Zend/Db/Table/Abstract.php(823): Zend_Db_Adapter_Pdo_Mysql-&gt;describeTable('albums', NULL)
  #5 /var/www/zf-tutorial/library/Zend/Db/Table/Abstract.php(862): Zend_Db_Table_Abstract-&gt;_setupMetadata()
  #6 /var/www/zf-tutorial/library/Zend/Db/Table/Abstract.php(969): Zend_Db_Table_Abstract-&gt;_setupPrimaryKey()
  #7 /var/www/zf-tutorial/library/Zend/Db/Table/Select.php(100): Zend_Db_Table_Abstract-&gt;info()
  #8 /var/www/zf-tutorial/library/Zend/Db/Table/Select.php(78): Zend_Db_Table_Select-&gt;setTable(Object(Application_Model_DbTable_Albums))
  #9 /var/www/zf-tutorial/library/Zend/Db/Table/Abstract.php(1005): Zend_Db_Table_Select-&gt;__construct(Object(Application_Model_DbTable_Albums))
  #10 /var/www/zf-tutorial/library/Zend/Db/Table/Abstract.php(1303): Zend_Db_Table_Abstract-&gt;select()
  #11 /var/www/zf-tutorial/application/controllers/IndexController.php(14): Zend_Db_Table_Abstract-&gt;fetchAll()
  #12 /var/www/zf-tutorial/library/Zend/Controller/Action.php(513): IndexController-&gt;indexAction()
  #13 /var/www/zf-tutorial/library/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action-&gt;dispatch('indexAction')
  #14 /var/www/zf-tutorial/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard-&gt;dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
  #15 /var/www/zf-tutorial/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front-&gt;dispatch()
  #16 /var/www/zf-tutorial/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap-&gt;run()
  #17 /var/www/zf-tutorial/public/index.php(26): Zend_Application-&gt;run()
  #18 {main}  
  </code></pre>
  
  <p><code>Request Parameters</code>:</p>
  
  <pre><code>array (
    'controller' =&gt; 'index',
    'action' =&gt; 'index',
    'module' =&gt; 'default',
  )  
  </code></pre>
  
  <p>what i can do please Help me ?</p>