DATABASE SYSTEM CONCEPTS LCPO
DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
Expert Solution & Answer
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Chapter 16, Problem 7PE

a.

Explanation of Solution

Given:

The best way to handle the given selection query with negation:

  • Consider for relation “department”, B+-tree index on the attribute “building” is available...

b.

Explanation of Solution

Given:

The best way to handle the given selection query with negation:

  • Consider for relation “department”, B+

c.

Explanation of Solution

Given:

The best to handle the given selection:

  • To use the index in this case, consider that the given query is equivalent to,

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