Why is it necessary to apply the normalization process to the tables created according to your answer to question 5.1? What is denormalization? When is denormalization justified? Explain the problems...

Why is it necessary to apply the normalization process to the tables created according to your answer to question 5.1?

What is denormalization?

When is denormalization justified?

Explain the problems that denormalized tables may have for insert, update, and

delete actions.