Computers and Technology, 31.07.2019 09:30 laylay120
Binary numbers are based on powers of and use digits through numbers are based on powers of and use digits through
Answers: 1
Computers and Technology, 22.06.2019 00:30
Jenny wants to look at row 345 and compare it to row 17. what can she do if she wanted to easily adjust to see both at once?
Answers: 3
Computers and Technology, 22.06.2019 14:30
If the polar bear were taken out of the food chain what would happen to the seal population the seal population would diminish the seal population would grow dramatically the seal population would stay the same the seal population would decrease slightly
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Computers and Technology, 22.06.2019 17:30
Ou listened to a song on your computer. did you use hardware or software?
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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)?
Answers: 1
Binary numbers are based on powers of and use digits through numbers are based on powers of and...
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