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ACME Global Consulting Proposal
Walterella McNear
Professor Thurman Roles
CIS 111, Intro to Relational Dbase Management Systems
January 23, 2013

Dear ACME,
I am sending my recommendations regarding your options for ACME Global Consulting Database Management System (DBMS). In this fast-paced and competitive business world, you want to make the database your company uses simple and easy to use. The E-R Model DBMS will allow your employees to be more efficient and productive in their daily workday schedule. As we all recognize that productivity is one of the many keys to a successful business.
Advantages of the Entity Relational Model:
a. Structure: The structure of the E-R Model DBMS is the ease of use. This system will allow the users to communicate with each other on the basis that it is not so technical. Your company would have a low percentage rate of mistakes during data entry throughout the daily workforce. This structure also allows employees to communicate and interact with each other more effectively should problems arise. A more efficient workflow would be established due to the different employee groups understanding each other and would be able to solve different issues that may arise within the DBMS.
b. Components: Another advantage to having this E-R- Model DBMS is that the components will allow your employee groups to distinguish the differences between these different components in the model. Some of the components are entities that represent a person, place, event or an object in the real world that is modeled in the DBMS. Another component is attributes; this represents the defining qualities or properties of the entity type. Another entity is called a superkey; this is an attribute that uniquely identifies an entity instance, which allows us to identify one entity instance from another. The candidate key is another key that does not contain any extra attributes. A composite key may consist of more than one attribute at a time. The relationships that exist in the E-R model are interactions and connections that happen in the entities instances.
As mentioned earlier, there are many ways to maintain your DBMS, although the E-R model is effective enough to handle the data needs for the traditional applications your company may need. Should your company require more data needs within the DBMS, we can install an Enhanced E-R model (EER). The EER model can service the more advanced and complex application environments that may be required for your business needs.
We will be delighted to provide an example diagram of an E-R model environment should you request one. Thanks for your time and consideration and we look forward to servicing your DBMS needs.

References
Ricardo, C.M. (2012). Databases Illuminated, Second Edition. Sudbury, MA: Jones & Bartlett Learning, LLC.
Enhanced E-R Model, (n.d.). Southern Illinois University Edwardsville. Retrieved January 19, 2014, from http://www.siue.edu/~dbock/cmis450/4-eermodel.htm
Relational Model Advantages. (n.d.). SQL Server Central. Microsoft SQL Server Tutorials, Training and forum. Retrieved January 19, 2014, from http://wwwsqlservercentral.com/Forums/Topic825279-374-1.aspx

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