Documents Relational Database Systems Higher Information Systems.

Slide 1Relational Database Systems Higher Information Systems Slide 2 The Relational Model data is grouped into entities which are related, in order to minimise data duplication…

Documents Normalisation. Un-normalised Form (UNF) Identify an entity List all the attributes Identify a key...

Slide 1Normalisation Slide 2 Un-normalised Form (UNF) Identify an entity List all the attributes Identify a key ORDER(Order Number Order Date Customer Number Customer Name…