These tables are particularly egregious examples of ignorant database design. You need to understand the relational model
This email is a *particularly* egregious example of rudeness. You owe Mr. Staubo, and the Postgress community, an apology. There is absolutely no reason to insult people who come to this forum for help. That's why the forum is here, to help people who are "ignorant" and want to improve their knowledge. Craig