October 2012
Intermediate to advanced
936 pages
23h 23m
English
In addition to managing data, DBAs need to be able to manage and control the definition of the data elements used in databases. Without an understanding of the structure, limitations, definition, and description of data, it is likely that data will be misinterpreted or misused. Furthermore, data that is not well defined can cause database integrity problems.
Have you ever watched the Antiques Roadshow1 program on television? In this show, people bring items to professional antique dealers to have them examined and evaluated. The participants hope to learn that their items are long-lost treasures of immense value. The antique dealers always spend a lot of time talking to the owners about their items. They ...