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Home Q & A Board Science-Related Homework Help Computer Studies
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mrive3127 mrive3127
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5 years 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.
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
Authors:
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wrote...
#1
5 years ago
It can be expressed directly in a relational model.
mrive3127 Author
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#2
5 years ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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