What are business rules

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1. What is a relationship, and what three types of relationships exist? Provide an example of each of the three types of relationships.

2. What are business rules, what is their source? and why are they crucial in defining entities, relationships and attributes? Provide a few examples of business rules for a business that you are familiar with for example a university , a banking system or any business of your choice. 

Reference no: EM132526244

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