Explanation: Physical database design is the process of selecting the data storage and data access characteristics of the database. 9. Which of the following is the oldest database model?
A. Relational
B. Hierarchical
C. Physical
D. Network
Answer:A
Explanation: Physical database design is the process of selecting the data storage and data access characteristics of the database. 9. Which of the following is the oldest database model?
A. Relational B. Hierarchical C. Physical D. Network
Explanation: Network model has data stored in a hierarchical network flow . 10. The process of saving information onto secondary storage devices is referred to as