This is a maintenance release, all users are adviced to upgrade .
We removed support for Joomla 1.5, please use version 5.0 if you have to install it in a Joomla 1.5 site.
If you use this extension, please post a rating and a review at the Joomla! Extension Directory
This is a "one-click" installer, you will get everything you need to start using J4Schema: