05 Jun CIS 4239 ASSIGNMENT
Question
This assignment will give you the opportunity to demonstrate your knowledge of systems analysis, the meaning and purpose of attributes included in a data model. Complete the following assignment:
- Use a fully formed paragraph to explain a complete but brief answer: What is the purpose of developing an identifier for an entity?
- What type of high-level business rule can be stated by an ERD? Give two examples.
- Define what is meant by an “attribute” in a data model.
- How should an attribute be named?
- What information about an attribute should be stored in “CASE” repository?
- What is meant by a concatenated identifier?
- What are metadata?
- Why are they important to system developers?
- Explain the distinction between identifying and non-identifying relationships.
- Your assignment should be at least 2 full pages.
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