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Function-Based Indexes
Database systems often provide methods for improving performance for computed columns. It is often good practice to derive data from several existing columns. However, these multi-column computations can be expensive to calculate at query time. Several techniques such as materialized views or function-based indexes can improve performance in these situations. In particular, function-based index structures store the calculated values for efficient retrieval. As part of an experiment, you can create a computed attribute and try queries with and without function-based indexes.
Repeat Problem 7.2 using condition variables (in addition to mutex locks). Document the time for the same test case as above. Comment on the difference in the times.
Identify three (3) DoS attacks and analyze the way in which each attack takes advantage of the interworking of the transport protocols (e.g.,TCP, IP, and UDP) and exploits the protocol's vulnerabilities. Describe the protocols used for each attac..
It's about HTC the phone company and how they find new technologies in their phones. i need it to be done in 2 weeks which is 10/25/2015. it should be 20 pages. It should cover everything about the technology in their phones
a system that is in an unsafe state is not necessarily deadlocked. explain why this is true. give an example of such a system ( in an unsafe state) and describe how all the processess could be completed without causing deadlock to ocur
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The following grid of ones and zeroes is a double scripted array representation of a terrain of size 12 x 12.
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scripting might be used in the update process
A.M Turing developed a technique for determining whether a computer could or could not demonstrate the artificial intelligence.Presently this technique is called ? When talking to a speech recognition program, the program divides each second of your ..
Suppose you have a class CBird, as follows, that you want to use as a base class for deriving a hierarchy of bird classes
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