Oh I got it SmallInt and a 0 or a 1 does the job in the checkbox. If there are any better alternatives please let me know.

>Hi all
>
>How can I represent a logical datatype in FireBird?
>
>Being a VFPer this is a major missing link for me.
>
>Please advise. And if possible also let me know what control in VFP can handle this alternative data type.