Which type of relationship in an ERD indicates that each instance of one entity can be associated with only one instance of another entity?
- Many-to-many relationship
- Many-to-one relationship
- One-to-many relationship
- One-to-one relationship
In an ERD, a one-to-one relationship indicates that each instance of one entity can be associated with only one instance of another entity, and vice versa. It's represented by a straight line between the entities.
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