Question: Explain how to change the minimum cardinality when a child that was not required to have a parent is now required to have one. What

Explain how to change the minimum cardinality when a child that was not required to have a parent is now required to have one. What condition must exist in the data for this change to work?

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Explain how to change the minimum cardinality when a parent that was not required to have a child is now required to have one.

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