Answered: It is known that the customer tables…

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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It is known that the customer tables are initially stored on a centralized database server. To increase efficiency in access and operational costs, the database was made distributed in several branch areas. An example of a customer table looks like this:

a. There are several types of fragmentation, explain! What type do you use if you do fragmentation of the table above? Explain how the fragmentation is done and give reasons why choosing this type!
b. Describe how the fragmented table will look like and describe it according to 3 rules (completeness, reconstruction, disjointness).

Transcribed Image Text:Kode Pelanggan Nama Pelanggan Jenkel Alamat Cabang John White David Ford 202001 L Jl. Anggrek No. 200 No. 5 Jakarta | Jakarta Griya Indah Blok A1/J No.5 Bandung, Jawa Barat. Jl. Bandung Raya No.8 RT 01/RW | Bandung 04 Bandung Jawa Barat Jl. Petukangan No.39 RT 01/RW Jakarta 03 Jakarta, Perumahan Loka No. 3 Jakarta. 201001 L Bandung 201001 Mary Howe | 202002 Susan Brand L 203005 Julie Lee Jakarta

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