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Name one famous line that Flamingo(albert aretz) has said :)
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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 11:30
The most accurate readings that you can take on an analog vom are when the meter's pointer is at the a. center scale. b. extreme right. c. near right. d. extreme left.
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Computers and Technology, 23.06.2019 17:00
Companies that implement and apply an information system effectively can create
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Computers and Technology, 23.06.2019 23:30
What are "open-loop" and "closed-loop" systems
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Name one famous line that Flamingo(albert aretz) has said :)...
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