Explanation:A desirable feature of a database design is the unique-role assumption, which means that each attribute name has a unique meaning in the database. 5. What is the best way to represent the attributes in a large database?
A. Relational-and
B. Concatenation
C. Dot representation
D. All of the above
Answer:A
Explanation:A desirable feature of a database design is the unique-role assumption, which means that each attribute name has a unique meaning in the database. 5. What is the best way to represent the attributes in a large database?
A. Relational-and B. Concatenation C. Dot representation D. All of the above
Explanation: Example inst sec and student sec. 6. Designers use which of the following to tune performance of systems to support time-critical operations?