Which of the following is NOT considered a BI and analytics tool??
A. ?Data visualization
B. ?Drill-down analysis
C. Online transaction processing
D. ?Data mining
Answer: C
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In the code below, how should the class Dog be derived from the class Animal?
```class Dog : - ? - { private: string dogtype; public: Dog(); void SetDogType(string dt); }; ``` A. class Dog : public Animal B. class Dog : private Animal C. class Dog : protected Animal D. Any of the above.
In which environments does a symmetric load balancing policy perform well?
a) The system is always overloaded. b) The system is always underloaded. c) There are some periods when the system is underloaded, and some when the system is overloaded. d) all of the above
In the accompanying figure, item 9 points to the ____.
A. Vertical scale B. Horizontal scale C. Baseline shift D. Tracking
Consider the relation:
BOOK (Book_Name, Author, Edition, Year)
with the data:
a. Based on a common-sense understanding of the above data, what are the possible candidate keys of this relation?
b. Does the above have one or more functional dependency (do not list FDs by applying derivation rules)? If so, what is it? Show how you will remove it by decomposition.
c. Does the resulting relation have an MVD? If so, what is it?
d. What will the final decomposition look like?