Explanation: Example inst sec and student sec. 6. Designers use which of the following to tune performance of systems to support time-critical operations?
A. Denormalization
B. Redundant optimization
C. Optimization
D. Realization
Answer:A
Explanation: Example inst sec and student sec. 6. Designers use which of the following to tune performance of systems to support time-critical operations?
A. Denormalization B. Redundant optimization C. Optimization D. Realization
Explanation:The process of taking a normalized schema and making it nonnormalized is called denormalization. 7. In the schema (dept name, size) we have relations total inst 2007, total inst 2008 . Which dependency have lead to this relation ?