List all possible candidate keys for the above relation :
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
FIRST QUESTION :
An embassy records details of interviews of visa applicants in the table below. Interviews are
conducted by members of staff in some of the embassy rooms. In any given day, a member of
staff tends to use the same room throughout that day. An applicant cannot have two interviews in
the same day :
R :
|
applicantNo |
interviewDate |
interviewTime |
staffNo |
roomNo |
|
AP1 |
13.5.2016 |
10:30 |
S5 |
R101 |
|
AP2 |
13.5.2016 |
12:00 |
S5 |
R101 |
|
AP3 |
13.5.2016 |
12:00 |
S9 |
R200 |
|
AP2 |
22.9.2016 |
10:30 |
S5 |
R200 |
- List all possible candidate keys for the above relation :
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