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Computer Engineering
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 three candidate keys for the above relation :

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 three candidate keys for the above relation :

Computer Networking: A Top-Down Approach (7th Edition)
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...
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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 :

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 three candidate keys for the above relation :

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