What is meant by entity type? How it is different from entity set? Illustrate by giving suitable example from accounting reality.
What is the need for database normalisation?
What integrity constraints are specified on database schema? Why each is considered important?
What is meant by entity type? How it is different from entity set? Illustrate by giving suitable example from accounting reality.
What is the need for database normalisation?
What integrity constraints are specified on database schema? Why each is considered important?