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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

4.2 Relational Data Structures

The data structures used in the relational model are tables with relationships among them.

4.2.1 Tables

The relational model is based on the concept of a relation, which is physically represented as a table or two-dimensional array. In this model, tables are used to hold information about the objects to be represented in the database. Using the terms of the entity-relationship model, both entity sets and relationship sets can be shown using tables. A relation is represented as a two-dimensional table in which the rows of the table correspond to individual records and the columns correspond to attributes. For example, the Student relation is represented by the Student table, having columns for attributes stuId ...

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Publisher Resources

ISBN: 9781284231595