The table below lists customer/car hire data. Each customer may hire cars from various outlets. A car is registered at a particular outlet and can be hired out to a customer on a given date. carReg make model custNo custName bireDate outletNo outletLoc M565 OGD Ford Escort C100 Smith, J 14/5/98 01 Bearsden M565 OGD Ford Escort C201 Hen, P 15/5/98 01 Bearsden N734 TPR Nissan Sunny C100 Smith, J 16/5/98 01 Bearsden M134 BRP Ford Escort C313 Blatt, O 14/5/98 02 Kelvinbridge M134 BRP Ford Escort C100 Smith, J 20/5/98 02 Kelvinbridge M611 OPQ Nissan Sunny C295 Pen, T 20/5/98 02 Kelvinbridge The table shown above is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table.

The table below lists customer/car hire data. Each customer may hire cars from various outlets. A car is registered at a particular outlet and can be hired out to a customer on a given date. carReg make model custNo custName bireDate outletNo outletLoc M565 OGD Ford Escort C100 Smith, J 14/5/98 01 Bearsden M565 OGD Ford Escort C201 Hen, P 15/5/98 01 Bearsden N734 TPR Nissan Sunny C100 Smith, J 16/5/98 01 Bearsden M134 BRP Ford Escort C313 Blatt, O 14/5/98 02 Kelvinbridge M134 BRP Ford Escort C100 Smith, J 20/5/98 02 Kelvinbridge M611 OPQ Nissan Sunny C295 Pen, T 20/5/98 02 Kelvinbridge The table shown above is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table.

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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Concept explainers

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

Question

The table below lists customer/car hire data. Each customer may hire cars from various outlets. A car is registered at a particular outlet and can be hired out to a customer
on a given date.
carReg
make
model
custNo
custName
hireDate
outletNo
outletLoc
M565 OGD
Ford
Escort
C100
Smith, J
14/5/98
01
Bearsden
M565 0GD
Ford
Escort
C201
Hen, P
15/5/98
01
Bearsden
N734 TPR
Nissan
Sunny
C100
Smith, J
16/5/98
01
Bearsden
M134 BRP
Ford
Escort
C313
Blatt, O
14/5/98
02
Kelvinbridge
M134 BRP
Ford
Escort
C100
Smith, J
20/5/98
02
Kelvinbridge
M611 OPQ
Nissan
Sunny
C295
Pen, T
20/5/98
02
Kelvinbridge
The table shown above is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table.

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