What is the purpose of developing an identifier for an entity?

Instructional Objectives for this activity: Use requirements elicitation techniques Apply requirements analysis strategies as needed to discover underlying requirements Develop the requirements definition Develop use cases Develop data flow diagrams

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.

Answer the following discussion questions. 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 2-3 pages in length.

What is the purpose of developing an identifier for an entity?

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