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Produce an object-oriented database design for the Hotel case study specified at the start of the exercises in Chapter 3 and then show how the following queries would be written in OQL:
(a) List all hotels.
(b) List all single rooms with a price below $20 per night.
(c) List the names and cities of all guests.
(d) List the price and type of all rooms at the Grosvenor Hotel.
(e) List all guests currently staying at the Grosvenor Hotel.
(f) List the details of all rooms at the Grosvenor Hotel, including the name of the guest staying in the room, if the room is occupied.
(g) List the guest details (guest No, guest Name, and guest Address) of all guests staying at the Grosvenor Hotel.
Suppose you observe that your home PC is responding very slowly to information requests from the net. And then you further observe that your network gateway shows high levels of network activity
How would you respond if Goli came to you describing a vulnerability in your system and offering to help fix it--What would incline you to hire her? What would disincline you from doing so?
demonstrate a reduction from the former to the latter.
It will move the contents of temp1 from directory temp to temp1 of current directory and when finished it will erase the contents of temp1 of temp directory. What kind of files will be matched
Derive an expression for the number of 2 × 2 switching elements needed to make an n × n banyan network. Verify your answer for n = 8.
In this problem, we will compare the performance of a vector processor with a hybrid system that contains a scalar processor and a GPU-based coprocessor.
Chip-offs and J-Tag port access are becoming common method of extracting handheld information. Find an article on one of these methods, summarize the article in your own words, and discuss why these methods are being used.
We do not have pointers to any other nodes (except by following links). Describe an O(1) algorithm that logically removes the value stored in such a node from the linked list, maintaining the integrity of the linked list. (Hint: Involve the next n..
What is the definition of a non-busy waiting BoundedBuffer? I have to implement one for my Operating Systems course but cannot find any resources on non-busy waiting BBs, only on busy waiting BBs
3-5. Write a program that asks the user to respond to a question by entering either 1 for yes or 2 for no. Use a While loop to continue prompting the user until a valid response is entered. Upon entering a valid response, the program should display ..
Identify the business problems the project team tried to solve and analyze how they applied the agile project management techniques to ensure the project was delivered on time, on budget with good quality.
Discussion Question - Discuss and describe the purpose and value of Java. How and why do we use it? Provide a real-world example in your response.
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