DAD 220 - 4-1 Quiz LATEST EXAM
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To be used as a primary key, which of these characteristics must an attribute have in a single instance of
the entity? Select all that apply.
Question options:
There must be a maximum of one attribute instance.
There must be many instances of the attribute.
There must be at most one entity instance that each attribute instance describes.
There must be at least one instance of the attribute.
There must be zero or more instances of the attribute. - Answer:There must be a maximum of one
attribute instance.
There must be at most one entity instance that each attribute instance describes.
There must be at least one instance of the attribute.
A singular attribute is also known as a unique attribute.
Question options:
Review Comprehensive Questions &
Answers. SNHU
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Professional • Confidential • Reliable • Results-Oriented
WHY STUDENTS CHOOSE US
Professional management of online classes
Support for proctored examinations
Assignment and coursework coordination
Quiz, test and assessment assistance
Fast communication and timely updates
Strict confidentiality and privacy
SERVICES OFFERED
✓ Online Class Management
✓ Proctored Exam Handling
✓ Weekly Discussion Participation
✓ Coursework Tracking
✓ Academic Scheduling Support
✓ Exam Preparation Guidance
, CONTACT US TODAY
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📧 WhatsApp: +254799356524
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To be used as a primary key, which of these characteristics must an attribute have in a single instance of
the entity? Select all that apply.
Question options:
There must be a maximum of one attribute instance.
There must be many instances of the attribute.
There must be at most one entity instance that each attribute instance describes.
There must be at least one instance of the attribute.
There must be zero or more instances of the attribute. - Answer:There must be a maximum of one
attribute instance.
There must be at most one entity instance that each attribute instance describes.
There must be at least one instance of the attribute.
A singular attribute is also known as a unique attribute.
Question options:
