Consider the relation schema R (A, B, C, D, E). Find number of super keys if A, CD and BE are the candidate keys. Consider the following relations: 2а) R1 R2 A B А 2b) 1 1 7 3 2 4 5 6 Compute R1 X R2 (hint: A denotes full outer join)
Consider the relation schema R (A, B, C, D, E). Find number of super keys if A, CD and BE are the candidate keys. Consider the following relations: 2а) R1 R2 A B А 2b) 1 1 7 3 2 4 5 6 Compute R1 X R2 (hint: A denotes full outer join)
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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![Consider the relation schema R (A, B, C, D, E). Find number
of super keys if A, CD and BE are the candidate keys.
Consider the following relations:
2a)
R1
R2
A
В
A
2b)
1
1
7
3
4
6.
Compute R1 M R2 (hint: A denotes full outer join)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd96f75d9-9b4e-46bc-96c5-891d1c9cb354%2F04ea0237-f738-403b-9f38-2d96544beb9e%2F8uyohus_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the relation schema R (A, B, C, D, E). Find number
of super keys if A, CD and BE are the candidate keys.
Consider the following relations:
2a)
R1
R2
A
В
A
2b)
1
1
7
3
4
6.
Compute R1 M R2 (hint: A denotes full outer join)
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