Database 2

 1) What is a relationship, and what three types of relationships exist? Provide an example of each of the three types of relationships. – 250 words

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. – 2 pages

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