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Question
Using SQLite, develop and execute a single SQL (unless noted otherwise) for each of the following queries using the "tpch.db" database:
Report the total quantity (i.e., the sum) of all items that belong to orders that are placed by customers from a nation that is in the region of 'AFRICA'. Hint: you need to join five tables to answer this query.
Have the class explain in terms of queuing theory why the revised layout has achieved the remarkable reductions in average and maximum hold times.
What are the one or two most challenging issues in identifying and documenting IT acquisition requirements (i.e., the requirements for solving the problem that was defined)? Explain your reason(s) and how the issue(s) can be successfully addressed..
Sarah calls the help desk because she has an intermittent problem logging on to her computer using the local Student user account and the password Pa$$w0rd.
When questioned, she denies any knowledge of it, but informs you that her new boyfriend has been to visit her several times, including taking her to lunch one time. What type of attack have you just become a victim of?
Compare the running time of this modification with that of the original algorithm on sequences that are nearly sorted or reverse sorted, and on sequences with many identical elements. What do you observe?
Describe which of the 3 approaches you would use to perform your dissertation research, and why. What instruments do you intend to use to support your selected research method?
What are two nested loops that fill values with ten different random numbers between 1 and 100?
Writing a new class that is derived from another class.You will be given the code for a Car class. Your job is to write a CustomCar class that is derived from Car and adds new features to it.
What are the benefits and challenges associated with public and private blockchain and which has the most potential for application in human resource management
Show the state of buffer in a bounded buffer problem with a buffer of size 10 where producer and consumer events occur at the following times:
Using a diagram and relevant assumptions explain the production possibility frontier (PPF).
What equilibrium means and discuss the six basic equations of equilibrium in three dimensions
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