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Answer to Question #43785 in Other Management for rasvith

Question #43785
What are the important historical contribution in database development and design?
Expert's answer
Database Design is the database structure that will be used as plan to store and manage data. The database management system (DBMS) is the software used to implement a database design. Modern database and applications development software is so easy to use that many people can quickly learn to implement a simple database and develop simple applications within a week or so, without giving design much thought. As data and reporting requirements become more complex, those same people will simply (and quickly!) produce the required data by incorrectly adding more columns of tables to the database. That's how data redundancies and all their attendant anomalies develop, thus reducing the "database" and its applications to a status worse than useless.

The following are basically the reasons for doing database design:
• Good application programs can't overcome bad database designs.
• The existence of a DBMS does not guarantee good data management, nor does it ensure that the database will be able to generate correct and timely information.
• Ultimately, the end user and the designer decide what data will be stored in the database.

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