Database

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Uploaded: 24.04.2012
Content: 20424023916290.7z (72,44 kB)
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Description

Formulation of the problem:

Database Car Rental is for the organization of a commercial company engaged in car rental. Your task is to track the financial performance of the rental item. The rental customers seek.

Basic functions
o sending request customer preferences;
o registration and entering the transaction rolled;
o entry of new cars and their properties in a database;
o procedures for the return of the vehicle design and calculation of the total cost;
o issuing all existing cars (which are not in the office);
o issuing a list of all vehicles (including the cat in the box);
o issuing a list of cars that are in the box.
o issuing a list of regular customers (bargained rolled over 10 times);
o obtain a list of transactions rolled.
o calculation of the profit of the company for the time of hire;
o issue a list of customers;
o issue a list of the most popular machines (they take in more than the average rent compared to other machines).
o obtain information about customers bringing income more than the average (for all customers);
o calculation of the efficiency of the system of penalties: count the number of customers with only one penalty, that at least one more time after the company appealed the fine, and the number of customers who were only warned (see. the type of penalty).

Additional information

The archive contains the source code
Explanatory note missing

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