SQL Buddy: http://sqlbuddy.com
Lightweight and simple SQL Buddy allows you to manage your MySQL databases. You can create, update, and delete records from within Moodle with no external dependencies. No configuration necessary as it uses the database information in the Moodle config.
The database access is secure and limited to administrators only.
If you experience any issues, please submit an issue here.
**Please Note** SQL Buddy currently only works with MySQL databases.