After Fridays tutorial lesson i supervised by my tutor that my report has small mistakes.I have corrected my Event table and i have change some of my use cases. Moreover i have change their names.In addition i finally understood what the is ERD(Entity Relation Diagram) and i have created but with difficulty .To achieve that ,the form which was attached on the case study and the case study were very helpful. They give us the keys which each object must include.On the left is an example of ERD diagram.
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