>>I just ask about what the person consider the most effective structure for a >table to hold this hierarchy
>
>So what would your answer look like? < s >

Something like storing a field with the person id, name, etc, and a field for his boss id. This is just a typical requirement and I think everyone of us did it sooner or later. But when you got a person that present her/himself as a good developer and can't even figure out what to do with that...