Computers and Technology, 05.05.2020 04:23, he0gaubong
Exercise 3.3.1: For each of the following relation schemas and sets of FD’s: a) R(A, B, C, D) with FD’s AB —► C, C -> D, and D A. b) R (A ,B ,C ,D ) with FD’s B —> C and B D. c) R{A, B, C, D) with FD’s AB -+ C ,B C ->■ D, CD ->■ A, and AD B. d) R(A, B, C, D) with FD’s A B, B C, C ->• D, and D A.
Do the following:
i) Indicate all the BCNF violations. Do not forget to consider FD’s that are not in the given set, but follow from them. However, it is not necessary to give violations that have more than one attribute on the right side.
ii) Decompose the relations, as necessary, into collections of relations that are in BCNF.
Answers: 2
Computers and Technology, 22.06.2019 10:40, Morghurley2000
"it security policy enforcement and monitoring" respond to the following: describe how monitoring worker activities can increase the security within organizations. describe the rationale that managers should use to determine the degree of monitoring that the organization should conduct. explain the extent to which you believe an organization has the right to monitor user actions and traffic. determine the actions organizations can take to mitigate the potential issues associated with monitoring user actions and traffic.
Answers: 3
Computers and Technology, 22.06.2019 15:50, minideeri
The file sales data. xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel. xlsm to find a nice color of gray.)
Answers: 2
Computers and Technology, 23.06.2019 13:30, carolelai08
Stops: using the information learned in this course, explain three things you will not do when driving. a. b. c. explain why you will not do these things when driving. starts: using the information learned in this course, explain three things you will do when driving. a. b. c. explain why you will do these particular things when driving. explain one thing you will stop doing as a passenger. explain one thing you will start doing as a passenger.
Answers: 3
Exercise 3.3.1: For each of the following relation schemas and sets of FD’s: a) R(A, B, C, D) with F...
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