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ISRO | ISRO CS 2015 | Question 39
  • Last Updated : 04 Apr, 2018

If a node has K children in Btree, then the node contains exactly _____ keys.
(A) K2
(B) K – 1
(C) K + 1
(D) K1/2


Answer: (B)

Explanation: In a B-tree, if a node contains n keys then it has n+1 child pointers. So, if it has K children (child pointers) then it should have K-1 keys.

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