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An output device is also called a(n)
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Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
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Computers and Technology, 23.06.2019 16:30
Monica and her team have implemented is successfully in an organization. what factor leads to successful is implementation? good between different departments in an organization leads to successful is implementation.
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Computers and Technology, 23.06.2019 17:30
What are the most commonly found items in the trash according to the municipal solid waste report?
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Java the manager of a football stadium wants you to write a program that calculates the total ticket sales after each game
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An output device is also called a(n)...
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