I just want few definitions, define briefly, the following;
What is Normalization of a set of data to 3rd normal form.
What is Relational schemas & dependency diagrams
and an Entity Relationship Diagram (crow’s foot notation).
If you're in one of those predicaments where cls.__private attributes just aren't enough since they can easily be accessed through inst._cls__private, and you need something a little more secure, here's ...