Answer:
The answer to your question is to click on the button with the square on the window options ribbon.
Yea, I don’t think you can fix it unless you backed it up or something somehow...
This is false.
What is cardinality?
Cardinality refers to the entity instances for which it is eligible to participate in a relationship instance. There are two types of cardinality, maximum and minimum.
What is maximum cardinality?
- The maximum cardinality of a relationship is the maximum number of instances of entity B that may be associated with each instance of entity A.
- Maximum cardinality: maximum number of entity instances that can participate in a relationship.
- One-to-One [1:1]
- One-to-Many [1:N]
- Many-to-Many [N:M]
To know more about maximum cardinality , refer:
brainly.com/question/18090451
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