Hi,

> I don't know where these tables come form. Any body know how these
> tables got created? Is it normal to have these tables?

Those are tables created by IBExpert, you gave IBExpert permission to
create these :-)

With regards,

Martijn Tonies
Database Workbench - tool for InterBase, Firebird, MySQL, Oracle & MS SQL
Server
Upscene Productions
http://www.upscene.com