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Requirements Analysis
Requirements Analysis
Define Business Objects
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Attributes and Entities
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ERD Conclusion
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ER Diagram
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idef1x Crowsfoot Chen Models
Entity Attribute Relationship
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Crow's Foot Notation
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Requirements Analysis - Quiz
Select the best answer or answers for each question.
1.
Which of the following tasks are performed during Requirements Analysis?
Please select all the correct answers.
A.
A logical schema is created
B.
Data users are interviewed
C.
Existing databases are examined
D.
Tasks are documented
2.
Which of the following statements regarding business rules are true?
Please select all the correct answers.
A.
Business rules place constraints on fields and table relationships.
B.
Imposing business rules as constraints helps preserve data integrity.
C.
The database designer creates an organization’s business rules.
D.
Business rules are subject to change as an organization grows.
3.
Which of the following statements about business objects are true?
Please select the best answer.
A.
Every business object must relate directly to every other business object.
B.
Every business object has characteristics it shares with every other business object.
C.
A business object can be either tangible or intangible.
4.
In a data flow diagram, which symbol represents what is done to data (data processing)?
Please select the best answer.
A.
Arrows
B.
Parallel lines
C.
Circles
D.
Squares
5.
Which of the following documents are created during Requirements Analysis?
Please select all the correct answers.
A.
An objects list
B.
A conceptual model
C.
A data flow diagram
D.
A business rules list