Jan Verheyden <jan(dot)verheyden(at)uz(dot)kuleuven(dot)ac(dot)be> wrote:
> Thanks for the suggestion, the only problem is, if primary key is used then each row should be unique what is not true; since I have a column 'registered' what only can be 1 or 0...
> [...]
I have no idea what you are trying to say.
Tim