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Development Of An ER Diagram And Database Implementation

  349 Downloads   |   2 Pages 332 Words

Question:

To give  you  practical  experience  in using Entity-Relationship and Relational Database modeling techniques.
 

Project Specification

Alan Counting, Edward  Quals and Peter  Rofit are in partnership  in an  accounting practice, CQR. The  practice  specialises  in taxation, auditng and  financial  advice  for small to medium  sized clients. They  started the  practice  in 2005 and it has  grown  to now  employ  25 people. These  employees include  other  accountants and office staff. Alan, Edward and Peter  believe  the practice is  headed  for a period of significant growth  and have  come to you to help them  redevelop  their  Client  Billing (CB)  system  so that  it copes better  with their workflows  and supports future  growth opportunities.
 
 

Answer:

ER Diagram

 

Relational Data Structures

SERVICE

CLIENT

Sector

Employee

BILLING RATE

DOMAIN

QUALIFICATION

 

 

Normalisation

 

References:

Batini, C., Ceri, S., & Navathe, S. (1989). Entity Relationship Approach. Elsevier Science Publishers BV (North Holland).

Batmaz, F., & Hinde, C. J. (2006). A diagram drawing tool for semi–automatic assessment of conceptual database diagrams.

Chen, Y. L. (2009). Entity-Relationship Diagram. In Modeling and Analysis of Enterprise and Information Systems (pp. 125-139). Springer Berlin Heidelberg.

Coronel, C., Morris, S., & Rob, P. (2009). Database systems: design, implementation, and management. Cengage Learning.

Elmasri, R. (2008). Fundamentals of database systems. Pearson Education India.

 

Kifer, M., Bernstein, A. J., Lewis, P. M., & Lewis, P. M. (2005). Database Systems: An Application-oriented Approach: Introductory Version. Pearson/Addison Wesley.

Özsu, M. T., & Valduriez, P. (2011). Principles of distributed database systems. Springer.

Tzitzikas, Y., & Hainaut, J. L. (2005). How to tame a very large ER diagram (using link analysis and force-directed drawing algorithms). In Conceptual Modeling–ER 2005 (pp. 144-159). Springer Berlin Heidelberg.

Yousefi'zadeh, H. (2005). U.S. Patent No. 6,950,848. Washington, DC: U.S. Patent and Trademark Office.

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