Chapter 21. Metadata Management
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.
What Is Metadata?
Have you ever watched the “Antiques Roadshow” program on television? In this show, people bring items to professional antiques 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. ...