DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 24, Problem 14E
Program Plan Intro
Range query:
- It is used to fetch the records which are having some attribute between a upper and lower value limit.
- If the query range contains only few tuples, then each query is executed quickly on a single disk.
- This allows parallel execution of queries and leads to reduce overhead on multiple disks.
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