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The number of disk pages access in B-tree search, where h is height, n is the number of keys and t is the minimum degree, is

  1. $\theta (\log_n h*t)$
  2. $\theta (\log_t n*h)$
  3. $\theta (\log_h n)$
  4. $\theta (\log_t n)$
in Algorithms by Veteran (100k points)
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1 Answer

+2 votes

The number of disk pages accessed by B-TREE-SEARCH is  Θ(h) =Θ(logt n), where h is the height of the B-tree and n is the number of keys in the B-tree.

Hence, Option 4 is correct.

by (187 points)
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