Which of the following statements is NOT true about ERDs? a. Special symbols are added to show high-level business rules. b. ERD’s are data modelling techniques. c. The diagrams are drawn in a sequential order – from top to bottom. d. Similar kinds of information are listed together in entities.
Question
Which of the following statements is NOT true about ERDs?
a.
Special symbols are added to show high-level business rules.
b.
ERD’s are data modelling techniques.
c.
The diagrams are drawn in a sequential order – from top to bottom.
d.
Similar kinds of information are listed together in entities.
Solution
The statement that is NOT true about ERDs is:
c.
The diagrams are drawn in a sequential order – from top to bottom.
Explanation: ERDs, or Entity Relationship Diagrams, are not drawn in a sequential order from top to bottom. They are a type of diagram that visually represents the organization of data within databases or information systems. The layout of an ERD is not sequential but rather organized based on the relationships between entities.
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