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Questions and Answers
Which model is used to define the data elements and relationships for a specified system?
Which model is used to define the data elements and relationships for a specified system?
- Relational model
- Network model
- Hierarchical model
- Entity-Relationship model (correct)
What does ER stand for in ER Diagram?
What does ER stand for in ER Diagram?
- Easy-Representation
- Element-Relationship
- Entity-Relationship (correct)
- Extended-Relational
Which type of design does ER modeling develop for the database?
Which type of design does ER modeling develop for the database?
- Logical design
- Physical design
- Structural design
- Conceptual design (correct)
What does 1NF stand for in the context of ER modeling?
What does 1NF stand for in the context of ER modeling?
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Which type of diagram is used in ER modeling?
Which type of diagram is used in ER modeling?
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