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Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition by Michael J. Hernandez

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Value-Related Terms

Data

The values you store in the database are data. Data is static in the sense that it remains in the same state until you modify it by some manual or automated process. Figure 3.1 shows some sample data.

Example 3.1. An example of basic data.

George Edleman     92883    05/16/96    95.00

On the surface, this data is meaningless. For example, there is no easy way for you to determine what “92883” represents. Is it a zip code? Is it a part number? Even if you know it represents a customer identification number, is it one that is associated with George Edleman? There's just no way of knowing until you process the data.

Information

Information is data that you process in a manner that makes it meaningful and ...

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