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Author Question: Business processes can influence the design of information systems. Indicate whether the ... (Read 15 times)

hbsimmons88

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on: Jul 7, 2018
Business processes can influence the design of information systems.
 
  Indicate whether the statement is true or false

Question 2

For any relation R, if, for every valid instance of A, that value of A uniquely determines the value of B:
 
  A) then a primary dependency exists in the relation.
  B) then A is said to be functionally dependent on B.
  C) then B is said to be functionally dependent on A.
  D) then A and B are candidate keys for the relation.
  E) None of the above are true.


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cloudre37

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

TRUE

Answer to Question 2

C
Explanation: C) For instance, if A is your student ID and B is your last name, then B is functionally dependent on A. In other words, if I know your student ID, I can determine your last name.
CL


hbsimmons88

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

ricroger

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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