I have three tables USER TABLE userid, username 1 alpha Email TABLE id userid email 1 1 email@example.com 2 1 firstname.lastname@example.org 3 1 email@example.com Phonenumber TABLE id userid ...
I have an application where users are tracking a workflow around producing a derivative work from an existing Book. The derivative work, we'll call "BookDerivative" must have a book that it relates to ...
I have read numerous books and articles about database design and SQL in which it is said that a database should be in first normal form (1NF). (Some then go on to describe situations in which it may ...