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Section 4.2 Test Yourself
Checkpoint 4.2.1.
What contemporary approach, strongly linked with relational databases, is used to develop diagrams that describe the structure and movement of data?
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Entity Relationship Diagrams (ERDs)
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Correct! The text identifies the entity relationship model and its Entity Relationship Diagrams (ERDs) as a contemporary approach.
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Data Flow Diagrams
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No, the text describes this as an older methodology from the 1970s.
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Procedure and Code Matrices
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No, this refers to the content on the paper forms used in the doctor’s office, not the modeling approach.
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Legacy System Integration
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No, this is the challenge that data modeling helps solve, not the name of the modeling approach itself.
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