Database and Programming Design

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(1) of the main functions of any business is to transform data into

information. The use of relational databases has gained recognition as a

standard for organizations and business transactions. A quality

database design makes the flow of data seamless. The database schema is

the foundation of the relational database. The schema defines the

tables, fields, relationships, views, indexes, and other elements. The

schema should be created by envisioning the business, processes, and

workflow of the company.

Section 1: Design Document

1. Write a five to ten (5-10) page design document in which you:

a. Create a database schema that supports the company’s business and processes.

b. Explain and support the database schema with relevant arguments that support the rationale for the structure. Note: The minimum requirement for the schema should entail the tables, fields, relationships, views, and indexes.

c.
Create database tables with appropriate field-naming conventions. Then,
identify primary keys and foreign keys, and explain how referential
integrity will be achieved.

d. Normalize the database tables to third normal form (3NF).

e.
Create an Entity-Relationship (E-R) Diagram through the use of
graphical tools in Microsoft Visio or an open source alternative such as
Dia. Note: The graphically depicted solution is not
included in the required page length but must be included in the design
document appendix.

f. Explain your rationale behind the design of your E-R Diagram.

g.
Create a Data Flow Diagram (DFD) through the use of graphical tools in
Microsoft Visio or an open source alternative such as Dia. Note:
The graphically depicted solution is not included in the required page
length but must be included in the design document appendix.

h. Explain your rationale behind the design of your DFD.

i. Create at least two (2) sample queries that will support the organizational reporting needs.

j. Create at least two (2) screen layouts that illustrate the interface that organizational users will utilize.

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