title: How to backup another database using codeigniter "dbutil" class?
body: <p>I can easily backup my codeigniter app database using dbutil class as per codeigniter documentation. Now I want to backup another database that is not using by the codeigniter app but that has in same server.
  I searched in google as well as stackoverflow but did not get any answer.</p>
  
  <p>Is there any alternative ci class to backup any database or I can use build in dbutil class?</p>
  
  <p>Thanks in advance</p>