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1.When would you choose to implement distributed databases, rather than local databases? Would you go for this design if all your computers were localized in one building? What if they are spread out in your country? What would you recommend when they are spread worldwide? When would you mirror databases and when would you use databases tailored for the local environment? 2. Design a hashed file of words that could be used as a spell checker. What would you use as a hash function? Would your choice of a hash function depend on the language from which the words are chosen? Why should such a file not be stored as a sequential file? 3. Based on Chapter Review Problems from the book. #1. What is meant by data independence? Explain your answer. #2. Identify two benefits of separating application software from the database management system. #3. Design a relational database containing information about music composers, their lives, and their compositions. (Avoid redundancies similar to those in Figure 9.4) #4. Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file? #5. The chapter drew parallels between a traditional file index and the file directory system maintained by an operating system. In what ways does an operating system's file directory differ from a traditional index?
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Give a linear-time algorithm to find an odd-length cycle in a directed graph. You may NOT assume that the graph is strongly connected.
S->iCtSS1 | s1 ->eS|? C->b Find the type of grammar
What are the benefits of using tangible interfaces compared with other interfaces like GUI, pen-based or gesture?
A company hires you to write a program to track hourly employee arrival and departure times from work. In essence, you are tasked to make an online time clock
During run, compute the minimum and maximum possible values for the following distance measures (from the center of the track): Manhattan, Euclidean and Chebyshev distance.
Find out the product stream temperature and volume required to carry out reaction in a CSTR at 50 % conversion in adiabatic mode of operation.
When using programs such as ping and some of the scanning tools to do forensic investigations, we may easily tip off the suspect that is under investigation
Write a program in java to translate infix mathematical expression into postfix expression and a program to evaluate the posfix expression. There should be three separate progams. use stack data abstraction and class implementation.
Write down a 2-3 page paper explaining the hardware and software utilized to support personal, workgroup, and enterprise computing in the present organization.
Write a program that determines for each sales person their total sales and their salary
If the Edwards production plan for the next period includes 1000 units of component 1 and 800 units of component 2, how many units of each component (C1, C2) should be ordered from each supplier (S1, S2, S3)?
How would you solve the following in C++? Please write code below: Write a condition-controlled while loop that allows the user to enter the calories they burned.
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