Subject Re: [firebird-support] toggle betweenn 0 and 1
Author Michael Weissenbacher
Am 2014-04-03 07:18, schrieb W O:
>
>
> That's the most simple formula Josef but requires that COLUMN always be
> 1 or 0, never another number neither NULL.
>
Which is easy to achieve using a CHECK constraint on the column

with kind regards,
Michael