MGMT
Week 4 Reflective Essay

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

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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.
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  • Spring '11
  • Smith
  • Entity-relationship model, entity, minimum cardinality

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