27. Which of the following is not a restriction for a table to be a relation? a. The cells of the table must contain a single value. b. All of the entries in any column must be of the same kind. c. The columns must be ordered. d. No two rows in a table may be identical.
27. Which of the following is not a restriction for a table to be a relation? a. The cells of the table must contain a single value. b. All of the entries in any column must be of the same kind. c. The columns must be ordered. d. No two rows in a table may be identical.
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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27. | Which of the following is not a restriction for a table to be a relation? |
a. | The cells of the table must contain a single value. |
b. | All of the entries in any column must be of the same kind. |
c. | The columns must be ordered. |
d. | No two rows in a table may be identical. |
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