September 2002
Intermediate to advanced
544 pages
13h 6m
English
Content preview from Sams Teach Yourself CGI in 24 Hours, Second Edition
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The Relational Database Model
Today, the dominant paradigm in the world of databases is the relational model. The fundamental attribute of the relational model is that data is stored within tables. Each table consists of rows and columns; each row represents a single record, and the columns contain the data that make up each record. The intersection of a row and column is referred to as a field. Each field contains a single value.
Table 18.1 contains an example of what a table about movies might look like. As you can see, each column contains a particular type of data, and each row makes up a single record.
| ID | Title | Studio | Budget |
|---|---|---|---|
| 1 | Mineral House | Giant | 20 |
| 2 | Prince Kong | MPM | 3.25 |
| 3 | The Code Warrior | MPM | 10.3 |
| 4 | Bill Durham ... |
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