Coursework (Distributed Relational Database Model)

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Coursework (Corporate Information Systems)

Develop a model of the distributed relational database companies, consisting of a main manufacture and multiple remote offices. Some of the enterprises are linked computer network have their own local databases can use these remote sites. Global information is stored on a central site.

To develop an application that provides the creation, modification, and retrieval of data. Assume that all the local databases located on the same computer.


The number of local databases> = 3;

The composition of the separate local database: linked table (at least 2), indexes, stored procedures, triggers, generators;

The number of records in one table> = 10;

Operations over the database: create, modify, search the database;

Database: InterBase;

Languages: SQL, Delphi.

Data integrity: use the machine transactions, stored procedures, triggers;

CASE-use design tools software.

Sequence of operation:

Describe the composition and functioning of the mission of the enterprise;

Build UML-diagrams use case and classes to the database of the enterprise;

Build infological model "entity-relationship" database of the enterprise;

Build a relational database model of the enterprise;

Split the database on a local database of the central production and branches;

Perform initial filling of the database;

Write a program database operations.

The structure of the explanatory note:

Title page;

Table of Contents;

Formulation of the problem;

Description of the structure and functioning of the enterprise;

UML-diagrams of the enterprise;

The model "entity-relationship" database of the enterprise;

The relational database model;

Decomposition of the database on a local database;

Description of the programs (the principle of operation, visual forms, code snippets)

Applications: DB table filled, program listings;


Option setting: 8. CIS "Research Institute";

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Programs implemented in Delphi windowed interface. In exchange, in the archive are the source 4-yoh programs (Delphi 7) with detailed comments, 3 local database (InterBase), files CASE-tool Rational Rose, the original diagram (.png and .fla - macromedia), an explanatory note ( 82str). Evaluation of the teacher posed: Excellent. Lined only 9 screens, as on the trading floor limit in the number of screenshots.

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PS Use this job as teaching material, an example of which you

You are able to develop and deliver its program of work the teacher perfectly.

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