Computers and Technology, 27.11.2020 19:20 yungking1329
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Computers and Technology, 23.06.2019 08:00
What is a scenario where records stored in a computer frequently need to be checked
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Computers and Technology, 23.06.2019 10:20
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, 24.06.2019 09:00
Why might you chose to crest a function resume
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Computers and Technology, 25.06.2019 09:30
Is it possible to build a portal in real life?
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