Investigate extensions to your design for Assignment 4, such as: (a) the ability to handle more than one candidate identifier; (b) automatic extraction of candidate identifiers; (c) detection of...

Investigate extensions to your design for Assignment 4, such as:

(a) the ability to handle more than one candidate identifier;

(b) automatic extraction of candidate identifiers;

(c) detection of transitive determinancies;

(d) generation of fully-normalised tables. Implement one or more of these extensions.