subject

Decide whether the following decomposition of R={M, N, O, P, Q, T}, with the functional dependency set F = {MON, PQ, MTP, OT, ONM, MNO} is dependency-preserving and lossless-join. Show the test matrix. R1(M, O, N) R2(M, N, T, P) R3(M, T, Q)

ansver
Answers: 1

Other questions on the subject: Computers and Technology

image
Computers and Technology, 22.06.2019 10:00, banna01man
You need a reliable network for about twenty-five computers that will be distributed across a large building. it is important that the network be relatively cheap. which topology should you use?
Answers: 1
image
Computers and Technology, 22.06.2019 21:00, jarrettashlyn
Write a method so that the main() code below can be replaced by the simpler code that calls method original main(): public class calcmiles { public static void main(string [] args) { double milesperhour; double minutestraveled; double hourstraveled; double milestraveled; milesprhour = scnr. nextdouble(); minutestraveled = scnr. nextdouble(); hourstraveled = minutestraveled / 60.0; milestraveled = hourstraveled * milesperhour; system. out. println("miles: " + milestraveled); } }
Answers: 2
image
Computers and Technology, 22.06.2019 22:40, nsuleban9524
When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?
Answers: 3
image
Computers and Technology, 23.06.2019 18:20, Blossom824
What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal
Answers: 2
You know the right answer?
Decide whether the following decomposition of R={M, N, O, P, Q, T}, with the functional dependency s...

Questions in other subjects:

Konu
Mathematics, 21.07.2020 14:01