COSC210: Database Management System - Report Writing - IT Assignment Help

Assignment Task:

Aims

• Revise and apply the concepts relating to functional Dependencies. 
• Normalise a database schema to a desired normal form. 
• Construct a 3NF database schema, based upon a universal relation and a set of functional dependencies. 
• Optimise a query using a query-tree representation. 

Questions Set 

Question 1 

a) Discuss insertion, deletion and modification anomalies and illustrate with simple examples why they are bad. 

b) Why are normal forms alone not sufficient as a condition to ensure good database design?

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