> Mostly, I point my fingers at the keyboard and click away with
> /opt/interbase/bin/isql ...
> Sometimes Jason W's IB_WISQL thingy which is fun for digging through
> system tables. ;)
>
> What are the "most of the good ones"?
>

"fun for digging through system" tables is a recipe for disaster - you are
yet to find out about I suspect..

Take a look at IBPHoenix website for a list of very professional tools.

Finally, should we ask why are, in fact, trying to add another primary key?
It's quite possible you have no need to do it.

Alan