Asked by Jaynese Jones on Jul 11, 2024
Verified
A circle for cardinality represents a single relationship.
Cardinality
In the context of databases, it refers to the uniqueness of data values contained in a column. Higher cardinality means more unique values.
- Recognize the significance of cardinality and relationships in databases.
Verified Answer
KH
Kimberley HollyJul 15, 2024
Final Answer :
False
Explanation :
In Entity-Relationship (ER) diagrams, a circle for cardinality typically represents the participation of an entity in a relationship, indicating whether the participation is optional or mandatory, rather than representing a single relationship.
Learning Objectives
- Recognize the significance of cardinality and relationships in databases.
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