Database design and implementation

Database Design and Implementation A practical introduction using Oracle SQL Download free books at... Howard Gould Database Design and Implementation A practical introduction using Ora

Database Design and

Implementation

A practical introduction using Oracle SQL

Download free books at

Howard Gould

Database Design and Implementation

A practical introduction using Oracle SQL

Download free eBooks at bookboon.com

Database Design and Implementation: A practical introduction using Oracle SQL

1st edition

© 2015 Howard Gould & bookboon.com

ISBN 978-87-403-1046-7

Peer reviewed by Dr Mark Dixon, senior lecturer, School of Computing,

Creative Technologies & Engineering, Leeds Beckett University

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Database Design and Implementation:

A practical introduction using Oracle SQL

4

Contents

Contents

Acknowledgements 8

1 Introduction to database development 10

1.1 Conceptual data modelling 11

1.2 he Entity Relationship Diagram (ERD) 12

1.4 Producing the ERD 14

1.5 Entity attributes 14

1.6 Entity selection and validation 15

1.7 Entity deinitions 19

1.8 Validating the model 20

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Database Design and Implementation:

A practical introduction using Oracle SQL

5

Contents

2 Entity Relationships 21

2.3 Relationship cardinality 24

2.4 Relationship optionality 27

3 Complex relationships 31

3.2 Associative relationships 32

3.3 Link entity identiier 34

3.4 Recursive relationships 37

3.6 Exclusive relationships 42

4 Logical Database Design 44

4.4 Identifying relations 46

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360°

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