Ok thanks, i understand. i will make the test.

Cedric

>>Just a precision, i executed the IB4.2 queries with WSQL ("WISQL32.EXE")
> >and Interactive SQL from IBConsole (for IB 6.5) and Interactive SQL from
> >IBOConsole (for Firebird).
> >
> >is it not suffisant ?

> No, it is virtually meaningless.

> You might get nearer to an authentic comparison by using the command-line
> ISQL in all cases (including 4.2), or by using one or other of the two
> ***console programs in all cases (including 4.2). The long connection
> times make one suspicious that you have some "connection noise" that's
> related to the interfaces.

heLen