Fabiano Bonin wrote:

> And, as a portuguese speaker, i could argue that in my language 'S'
> and 'N' are equivalente to 'Y' and 'N', and anyone could ask to put
> their native language letters inside this function, and what would
> happen with a language where the word YES starts with the letter 'N'?

You can always use smallint and 0,1

--
Milan Babuskov
http://fbexport.sourceforge.net