Question 1: Why would you select a database system rather than simply storing data in operating system files? When would it make sense not to use the database system?
Question 2: What do you mean by the logical data independence and why is it significant?
Question 3: Describe the difference between logical and physical data independence.
Question 4: Describe the difference between external, internal and conceptual schemas. How are these distinct schema layers associated to the concepts of the logical and physical data independence?
Question 5: Explain the duties of a DBA?
Question 6: Differentiate between the term logical and physical database design.
Question 7: Explain and define the key properties of the database system. Give an organizational illustration of the advantages of each property.