Re: Do Data Models Need to built on a Mathematical Concept?

> > All-in-all, the Relational Data Model is one of the best
> > at the present time, but it too has its flaws and limitations.
>
> What are the flaws and limitations you had in mind?

1. That all rows of a table have the same number of columns which leads to the need for NULLs.
2. That all values in a column be of the same type.