Chapter 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
Reviewing the Initial Table Structures
CASE STUDY
Summary
By now you've identified all the subjects that will be tracked in the database. You've also assigned fields to each table, thus defining its structure. 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 task of assigning keys to each table. As you'll soon learn, there are different types of keys, and each plays ...
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