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Hands-On Practice with PDF-Based Database Exercises: Enhance Your Skills in Data Management and Analysis

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A database is a collection of data that is organized and stored in a way that allows for efficient retrieval and manipulation of information. A database management system (DBMS) is a software system that enables users to create, access, and modify databases. A base or database is a specific instance of a database management system that contains a set of related tables, queries, forms, and reports. It is used to store and manage data in a structured way, and can be used for a variety of applications such as accounting, inventory management, customer relationship management, and more. A well-designed database should be efficient, flexible, and scalable, and should ensure data integrity and security. Database designers use various modeling techniques such as Entity-Relationship (ER) diagrams and normalization to create a database schema that accurately represents the data and its relationships. Users interact with a database using a query language such as SQL (Structured Query Language), which allows them to retrieve and manipulate data based on specific criteria. Many DBMSs also provide graphical interfaces that allow users to interact with the database using forms and reports. Overall, a database is an essential tool for managing large amounts of data, and is widely used in businesses and organizations of all sizes to streamline operations and make data-driven decisions.

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Module –Manipulate aDatabase

TP N°1

Exercise 1:
You are given the MCD representing visits to amedical center:


Figure 1: Conceptual Data Model
Work to do :
Answer the following questions according to the characteristics of this model (indicate if the situation described
is representable with the given diagram).
1. Can a patient make several visits?
2. Can a doctor see several patients in the same consultation?
3. Can several drugs be prescribed in the same consultation?
4. Can two different doctors prescribe the same medicine?
5. Use the Power AMC software to create the MCD of figure N°1




Exercise 2:

In a manufacturing workshop, we are interested in the following information:
1. Team number
2. Name of the employee who is part of ateam 3.
Employee registration number 4.
Qualification of the employee
5. Number of people with qualifications in the company 6Number of
qualified people in ateam




The management rules are as follows:

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