![5. [5 points] Let relation R (A, B, C, D, E) satisfy the following functional dependencies: AB → C BC → D CD → E DE → A AE → B Which one of the following FDs is also guaranteed to be satisfied by R? A. B. BCD → A A-B D. CE → B](http://img.homeworklib.com/questions/60a51bc0-5dd1-11eb-b721-bf4d452da2eb.png?x-oss-process=image/resize,w_560)
Homework Answers
Answer : (A)
- With CD , we get E. With DE, we get A. So, this option is correct.
- With A , we can't get any other attribute. So, we can't get B from A. So, this option is incorrect.
- With B , we can't get any other attribute. So, we can't get E from B. So, this option is incorrect.
- With C , we can't get any other attribute. With E we can't get any other attribute..Also, we can;t get B with CE. So, this option is incorrect.
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5. [5 points] Let relation R (A, B, C, D, E) satisfy the following functional dependencies:...
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