Good afternoon all. This is a conceptual question on table design. I have not come across this situation so I thought I'd see what people have to say about it.

I have three tables in a twelve table database which, between the three of them, comprise 32 columns. They are joined together by a column called PIN. My conceptual issue is that the two relationships that bind the tables together are one-to-one. So, I could really put all 32...