Question: What does a solid line represent in an ER diagram?
Options:
A weak relationship
A strong relationship
An attribute
An entity
Correct Answer: A strong relationship
Solution:
A solid line in an ER diagram represents a strong relationship between entities.
What does a solid line represent in an ER diagram?
Practice Questions
Q1
What does a solid line represent in an ER diagram?
A weak relationship
A strong relationship
An attribute
An entity
Questions & Step-by-Step Solutions
What does a solid line represent in an ER diagram?
Strong Relationship – A solid line indicates a strong or identifying relationship between entities in an ER diagram, meaning that the existence of one entity depends on the other.
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