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Computers and Technology, 23.06.2019 10:20, chonawilson4
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 21:30, maddietomlinson113
Examine the list below. which factors positively affect lifetime income? check all that apply.
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Computers and Technology, 23.06.2019 22:30, kayelynn003
How many points do i need before i can send a chat
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Computers and Technology, 24.06.2019 01:00, summerjoiner
Verify each identity[tex] \frac{csc}{cot \: x \: + \: tan \: x} = cos \: x[/tex]
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Who wanna chat today bc there bored...
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