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Question

Construct a B+ tree for (1, 4, 7, 10, 17, 21, 31, 25, 19, 20, 28, 42) with n = 4. What is the key value at the root node?

a.

7, 17

b.

17

c.

31, 42

d.

42

Answer: (b).17

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Q. Construct a B+ tree for (1, 4, 7, 10, 17, 21, 31, 25, 19, 20, 28, 42) with n = 4. What is the key value at the root node?

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