Skip to Main Content
Database Design for Mere Mortals: 25th Anniversary Edition, 4th Edition
book

Database Design for Mere Mortals: 25th Anniversary Edition, 4th Edition

by Michael J. Hernandez
December 2020
Beginner content levelBeginner
640 pages
14h 45m
English
Addison-Wesley Professional
Content preview from Database Design for Mere Mortals: 25th Anniversary Edition, 4th Edition
Images

8

Keys

A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.

—CLAUDE BERNARD

Topics Covered in This Chapter

Why Keys Are Important

Establishing Keys for Each Table

Table-Level Integrity

Reviewing the Initial Table Structures

Example: Establishing Keys

Summary

Review Questions

By now you’ve identified all the subjects that the database will track and defined the table structures that will represent those subjects. Furthermore, you’ve put the structures through a screening process to control their makeup and quality. In this next stage of the database design process, you’ll begin the ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Relational Database Design and Implementation, 4th Edition

Relational Database Design and Implementation, 4th Edition

Jan L. Harrington
The Manager's Path

The Manager's Path

Camille Fournier
The Manager's Path

The Manager's Path

Camille Fournier

Publisher Resources

ISBN: 9780136788133