title: Drop a table at a time of uninstall extension in magento
body: <p>In magento when i install my own created extension that create one table into database. but when i uninstall extension. It just remove the extension file and folder from magento.
  <strong>I would also like to drop the table that i was created at the time of extension active.</strong></p>
  
  <p>Please help me I am new magento developer.</p>