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wrote...
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6 days ago
Which of the following is not true of a MUST constraint?

• It may be needed in ternary relationships to enforce special business rules.

• It can be expressed directly in a relational model.

• It must be enforced by program code.

• It requires that one entity be combined with another entity.
Source  Download Study Guide
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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wrote...
6 days ago
It can be expressed directly in a relational model.
wrote...
6 days ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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