Week 4 Reflective Essay

Week 4 Reflective Essay - MGMT340 Week 4 Reflective Essay...

Info icon This preview shows pages 1–2. Sign up to view the full content.

MGMT340 Week 4 Reflective Essay In an E-R diagram, it shows many characteristics of data itself. This would include the definition the structure and the relationships that are within the data. We can also state that in this diagram it also shows the relationship degrees, and business rules. An Entity can be best described as an object that can have behaviors on it. It can also be described as a person, place, object, event, or concept in the user environment about which the business wishes to maintain data. [val14] Let’s take an example; a specific entity on an E-R diagram could be either an employee or a student or even a country or state. They can also be described as relationships as well. There are three types of relationships that are usually helpful. They are as follows: One – to – one One – to – many Many – to – many [Ent] A behavior on the other hand is a feature that can be applied to the entities it self.
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

Image of page 2
This is the end of the preview. Sign up to access the rest of the document.
  • Spring '11
  • Smith
  • Entity-relationship model, entity, minimum cardinality

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern