GUI for FireBird DB

Friend of mine, that is still working on xBase (Clipper), asked me to recommend him a good GUI tool for SQL database. At first I didn't know what he exactly wanted. In fact he wanted a tool to retrive and manipulate data in FireBird DB. After trying few tools I recommended IB_SQL. It's realy light weighted and intuitive.

It was my first experience with FireBird. I must say that for me it seems insecure. Whole database is stored in one file, and if you have this file, you can easily open it without need for any password.

Paweł