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Author Question: Which of the following properties of a relation states that an entry at the intersection of each row ... (Read 33 times)

mckennatimberlake

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on: Jul 7, 2018
Which of the following properties of a relation states that an entry at the intersection of each row and column is single-valued?
 
  A) Entries in cells are simple.
  B) Entries in columns are from the same set of values.
  C) Each row is unique.
  D) The sequence of rows is insignificant.
  E) The sequence of columns can be interchanged.

Question 2

An information system is a collection of components, including a computer, that stores and retrieves data and produces information.
 
  Indicate whether the statement is true or false


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cloud

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A
Explanation: A) To be considered a relation, the entries in a cell are required to be simple and not contain multiple values.
CL

Answer to Question 2

TRUE


mckennatimberlake

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Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Excellent

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