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A company called FastCabs provides a taxi service to clients. The table shown in Figure 14.21 displays some details of client bookings for taxis. Assume that a taxi driver is assigned to a single taxi, but a taxi can be assigned to one or more drivers.
(a) Identify the functional dependencies that exist between the columns of the table in Figure 14.21 and identify the primary key and any alternate key(s) (if present) for the table.
(b) Describe why the table in Figure 14.21 is not in 3NF.
(c) The table shown in Figure 14.21 is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occu
Which of the preceding principles are valid for this probabilistic conditional? Explain why or why not. Discuss the main difference that you found in your answers.
"Using the PetRecord class stored on the K: drive, write a driver program with a main method to read in data for five Pets and display the following data.
how do we implement the POSIX API
It should calculate and display the total retail value of all products sold. Use a sentinel-controlled loop to determine when the application should stop looping display the final results.
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add the image so when click on the image it will submit the amount. Also is this the way to call two funtions with the onclick event?
The first two lines of the file will be Abraham Lincoln, 5; Andrew Jackson, 5. The file Justices.txt is used for the list. I need this solved in Visual Basic.
Assume that every program in a system contains 40,000 machine code instructions. To execute an instruction it takes 4 machine cycles. Assume that a computer constantly keeps 150 active processes in execution and each active process needs to be exe..
Design the class doctorType, inherited from the class personType, with an additional data member to store doctors speciality. Add appropriate constructors and member functions to initialize, access, and manipulate the data members.
A machine has a 32 bit virtual address space and a 16kb page size. It has 1gb of physical memory. How many pages does a process have? How many bytes are needed for a page table, assuming 4 control bits and that disk addresses are stored elsewhere?
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