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Time to write specifications and design the database.
1- Requirement Analysis. Make a list of the data requirements. Example requirement would be: 1) for each book, the catalog contains its ISBN number, title, author, purchase price, sales price, and the year the book was published; 2) professors can manage and work on multiple projects.
2- Analysis and Conceptual Design. Analyze your project and come up with an ER diagram. Make sure that you don’t forget:
a- Cardinalities.
b- Constraints (if any) that apply over and above what you can show in ?the diagram. State, using full-English sentences (in bullets) all your assumptions for the entities and relations in your design that are covered in part a and not shown in ER diagram. For example:?We assume:
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