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Issue 1.3


Database Design

Entities, Attributes and Relationships

Issue: 1.3 (December/January 2002)
Author: Paul Lefebvre
Author Bio: Paul Lefebvre is a software architect in Portland, Maine.
Article Description: No description available.
Article Length (in bytes): 7,801
Starting Page Number: 27
Article Number: 1313
Related Link(s): None

Excerpt of article text...

In this month's column we will discuss some basic database design skills such as how to identify entities, attributes, and relationships. We will also learn what it means to normalize a database. Let's get started!

Database Analysis

Analysis is the first step when designing a relational database. In the analysis phase, we are looking to identify entities and attributes. When the database is eventually built, the entities generally become tables and their attributes become columns within the tables.

In our last column we quickly created tables to store the schedule for our local Softball League. In this column we will step back and consider the initial design of these tables. To refresh you memory, here is the original problem:

We want to store the schedule for our local Softball League that consists of 8 teams, each with a coach. Each team plays 10 games. The teams are the Ducks, Penguins, Bears, Tigers, Lions, Wolves, Dolphins, and Marlins.

...End of Excerpt. Please purchase the magazine to read the full article.