>>You may find this discussion
>>http://beyondrelational.com/quiz/sqlserver/general/2010/questions/sqlserver-quiz-general-2010-paul-nielsen-database-design-foreign-keys.aspx
>>
>
>Why would the last guy get zero points?? True he did not explain, but zero?

I don't know - the points were at the discretion of the Quiz Master. In several cases I also thought I got less than deserved. Say, for this question I got score of 6, but I think I provided a good answer.