php_mysql_apache [Electronic resources]

Julie C. Meloni

نسخه متنی -صفحه : 323/ 151
نمايش فراداده

Workshop

The workshop is designed to help you anticipate possible questions, review what you've learned, and begin learning how to put your knowledge into practice.

Quiz

1:

Name three types of data relationships.

2:

Because many-to-many relationships are difficult to represent in an efficient database design, what should you do?

Answers

A1:

One-to-one, one-to-many, many-to-many.

A2:

Create a series of one-to-many relationships using intermediary mapping tables.

Activity

Q1:

Explain each of the three normal forms to a person who works with spreadsheets and flat tables.