An integrated approach to data base design

الملخص EN

n this paper, a new method for data base design is proposed.

The method mflkes use of some good features in different design approaches.

Based on the results of a preliminary phase of determining user requirements, an initial design is first developed.

Then the design is tuned according to some pre-d~fined changes in both the logical model and the physical representation.

Response time is used as a measure of the effectiveness of the design.

Algorithms to implement the method are developed.

Selection of the best design model (logical and physical) is left to the data base administrator (DBA).

Results obtained from running the proposed algorithms can be used to help the DBA in taking the appropriate decision.