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Efficiency of finding the next record in B+ tree is ____

(a) O(n)

(b) O(log n)

(c) O(nlog n)

(d) O(1)

The above asked question is from B-Trees in chapter B-Trees of Data Structures & Algorithms I

The question was asked in exam.

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Best answer
Correct choice is (d) O(1)

Best explanation: In a B+ -tree finding the next recored (successor) involves accessing an additional leaf at most. So, the efficiency of finding the next record is O(1).

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