Multiple database in yii

'db'=>array(
   'connectionString' => 'mysql:host=localhost;dbname=test',
   'emulatePrepare' => true,
   'username' => 'test',
    'class'=>'CDbConnection',
   'password' => 'test@2014test',
   'charset' => 'utf8',
  ),



'db2'=>array( 
   'connectionString' => 'mysql:host=localhost;dbname=*****net',
   'emulatePrepare' => true,
   'username' => '*****net',
   'password' => '*******',
    'class'=>'CDbConnection',
   'charset' => 'utf8', 
  ),