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Regarding the computation of measures in a data cube:
(a) Enumerate three categories of measures, based on the kind of aggregate functions used in computing a data cube.
(b) For a data cube with the three dimensions time, location, and item, which category does the function variance belong to? Describe how to compute it if the cube is partitioned into many chunks.
(c) Suppose the function is "top 10 sales." Discuss how to efficiently compute this measure in a data cube.
What would be the financial advantage of a malware designer to create lots of different malicious code instances that all exploit the same vulnerability yet have different malware signatures?
Businesses today are extremely reliant on large amounts of data for making intelligent business decisions. Likewise, the data warehouses are often structured in a manner that optimizes processing large amounts of data.
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Write an SQL statement to produce a single column called ItemLocation
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What is the largest N, approximately, that doesn't result in timeouts in the steady state (i.e., for which the Jacobson/Karels Time Out remains greater than 4.0)? Use δ = 1/8.
What are the next significant technological innovations. This week's reading introduces the software development lifecycle model and discusses how information systems are developed. Explain why having a standardized systems development process is i..
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Make a seven page PowerPoint document to discuss impact of computers in Industries. In your discussion, include the following
Identify the pages/components which need to be developed for the complete system to function. Elaborate how each page/component will be used for the interaction between both web server and database server in information saving and retrieval, which..
Database applications are a standout amongst the most imperative devices on the planet today, particularly given the noteworthiness of information systems. Utilizing the Internet, books, magazines and different productions, discover the responses ..
Determine the reflection coefficients corresponding to the p = 3 linear predictor.
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