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BenAff BenAff
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5 years ago
Depending on the DBMS, when changing the minimum cardinality on the parent side from zero to one, the foreign key constraint that defines the relationship may have to be dropped before the change is made and re-added afterwards.

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Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
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anuja709anuja709
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BenAff Author
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5 years ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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