10. Table Relationships
There is no substitute for the comfort supplied by the utterly taken-for-granted relationship.
—IRIS MURDOCH
Topics Covered in This Chapter
Why Relationships Are Important
Identifying Existing Relationships
Establishing Each Relationship
Establishing Relationship Characteristics
You learned in Chapter 3, “Terminology,” that a relationship exists between two tables when you can in some way associate the records of the first table with those of the second. You also learned that each relationship has three distinct characteristics: the type of relationship that exists between the tables, the manner in which each ...
Get Database Design for Mere Mortals®: A Hands-on Guide to Relational Database Design, Third Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
