Are you interested in developing MySQL queries in Moodle so you can create your own customised reports?
If so, you might be interested in “MoodleBites MySQL Reporting in Moodle“.
This specialist course only runs twice a year, and the next start date is 1st April !
You can read the course outline here: http://www.moodlebites.com/mod/page/view.php?id=9112
Places are limited to keep the group small.