Answered: 8a) Distributing the rows of data into…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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8a) Distributing the rows of data into separate files is called:
A) normalization.
B) horizontal partitioning.
C) vertical partitioning.
D) file allocation.

8b) Horizontal partitioning makes sense:
A) when different categories of a table's rows are processed separately.
B) when less security is needed.
C) when partitions must be organized the same.
D) when only one category is allowed.

8c) An advantage of partitioning is:
A) efficiency.
B) remote optimization.
C) extra space and update time.
D) increase redundancy.

8d) A disadvantage of partitioning is:
A) simplicity.
B) remote optimization.
C) extra space and update time.
D) shorter technology spans.

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