DATABASE SYSTEM CONCEPTS LCPO
DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 14, Problem 21E

Explanation of Solution

Given scenario:

  • An attribute that stores values for names is taken, where:
    • Maximum size of name can be as large as 40 characters.
    • Average size is around 10 characters.

The given attribute will face two issues:

  • Each name will be of different length.
  • Names can be quite long as stated.
  • It may result in low fan-out and a likewise increase in the height of the tree.
  • Additionally, having variable length search keys will result in different nodes having different fan-outs, even if they are full.
  • Prefix compression can be used to increase the fan-out of a node...

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