In an ERD, what does a cardinality constraint of "1 to Many" indicate?
- Each entity instance can be associated with multiple instances
- Each entity instance can be associated with only one instance
- Each entity instance can be associated with zero or one instance
- Only one entity instance can be associated with only one instance
In an ERD, a cardinality constraint of "1 to Many" indicates that each instance of one entity can be associated with multiple instances of another entity. This means that for each occurrence of the first entity, there can be multiple occurrences of the second entity.
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