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Consider the Linear Hashing index shown in Figure 10.15. Assume that we split whenever an overflow page is created. Answer the following questions about this index:
1. What can you say about the last entry that was inserted into the index?
2. What can you say about the last entry that was inserted into the index if you know that there have been no deletions from this index so far?
3. Suppose you know that there have been no deletions from this index so far. What can you say about the last entry whose insertion into the index caused a split?
4. Show the index after inserting an entry with hash value 4.
5. Show the original index after inserting an entry with hash value 15.
6. Show the original index after deleting the entries with hash values 36 and 44. (Assume that the full deletion algorithm is used.)
7. Find a list of entries whose insertion into the original index would lead to a bucket with two overflow pages. Use as few entries as possible to accomplish this. What is the maximum number of entries that can be inserted into this bucket before a split occurs that reduces the length of this overflow chain?
Consider the following: Advancements in computer design are outpacing the life of the computer and its components. Within a matter of a few years, a computer is obsolete and ready to be replaced, leaving its owner with questions on how to properly..
One of a DBA's primary responsibilities is to create and manage database user accounts and to grant or revoke access privileges as needed. Users should be able to access or modify only those parts of the database that they need to perform their jo..
Write a program to print a business travel expenses attachment for an income tax return. The program should request as input the name of the organization visited, the dates and location of the visit, and the expenses for meals and entertainment, a..
For this exercise, you are going to start with this site: http://botlab.org. BotLab is a platform at the University of Washington that continually monitors and analyzes the behavior of spam-oriented botnets.
Identify an XML technology. Provide a definition of technology, what it is used for and an example of the technology in action.
Discuss the type of individuals we need to become to consume the varied media mentioned above. Discuss how HCI, human psychology, and human behavior are closely related in terms of media creation and consumption.
Find the volume of the solid that lies under the paraboloid z=x^2 + 4y^2 and above the region D in xy-plane bounded by the line y=3x and the parabola y=3x^2.
what expression must be evaluated to access v from procedure P using static links?
Examine the steps and types of testing and quality assurance needed in software development.
Endow the set R×Z with the dictionary order . That is, for(x, r),(x0, r0) ∈ R×Z, we have (x, r) (x0, r0) if x x0(as real numbers) or x = x0 and r r0(as integers). Prove that the order topology on R × Z is the discrete topology.
Write an ARM program that reads n characters from a keyboard and echoes them back to a display after pushing them onto a user stack as they are read. Use register R6 as the stack pointer. The count value n is contained in memory word location N.
Mr. Chang wants to retire in 10 years and can save $650 every three months. If the interest rate is 7.8% compounded quarterly, how much will he have at the end of 5 years?
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