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Consider the relational database shown below:Faculty(Id, Name, OfficeNo, OfficePh)Course(Cno,CName,NoOfCredits)Section(SecNo,Cno,Year,Term)Teaches(FacultyId, SecNo)
a) Find all the sections associated with the course "CSSE123". Give an expression in relational algebra and domain relational calculus
b) Find the names of faculty who have taught every course that is being taught by John Nick in Spring 2010. Give an expression in Relational alegebra and domain relational calculus.
Write and explain briefly three guidelines for sound policy, as stated by Bergeron and Bérubé. Are policies different from standards? In what way? Are policies different from procedures? In what way?
Matrices so as to maximize, rather than minimize, number of scalar multiplications. Does this problem show optimal substructure?
Desired data to rotate around to the read/write head, how much of a program's time slice can be spent waiting for a read operation from a disk to take place?
Mini Case: K-Mart
Write a sample program that asks for the center and side length, then prints out the square (using the toString method that you inherit from Rectangle) and the area of the square.
The composition of the off-gas on a volumetric basis is listed below. What are the estimated cell yield coefficients based on ammonia and oxygen for the consumption of glucose? 4.7 PROBLEMS 115 Substrate % nitrogen % carbon dioxide % oxygen glucos..
Why are file system permissions so important in the Linux DAC model? How they relate or map to the concept of subject "subject-action-object" transactions?
We can use the destructor to deallocate memory for an object. How would you deallocate memory in a destructor?
how many times will the job be interrupted and on which queue will it finish its execution?
Why do we require signed-and-magnitude representations of binary numbers in computers? Represent decimal values: -37, -54, and 56 in binary by using signed-and magnitude representation.
Write an instruction sequence to add the 3-byte numbers stored in memory locations 0x1 1-0x13 and 0x14-0x16 and save the sum in memory locations 0x20-0x22
Suppose an initially-empty queue Q has performed a total of 32 enqueue operations, 10 front operations, and 15 dequeue operations, 5 of which generated QueueEmptyExceptions, which were caught and ignored. What is the current size of Q?
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