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wrote...
Posts: 123
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2 months 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.
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Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
Authors:
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wrote...
2 months ago
It can be expressed directly in a relational model.
wrote...
2 months ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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