PMA\libraries\dbi\DBIExtension::selectDb PHP Method

    public function selectDb($dbname, $link);

 /**
  * selects given database
  *
  * @param string $dbname database name to select
  * @param object $link   connection object
  *
  * @return boolean
  */
 public function selectDb($dbname, $link = null)
 {
     $link = $this->getLink($link);
     if ($link === false) {
         return false;
     }
     return $this->_extension->selectDb($dbname, $link);
 }