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The MCQ: The address field of a person should not be part of the primary key, since it is likely to; "DBMS Keys" App Download (Free) with answers: Dependent; Changed; Not changed; Too long; for master degree in computer science. Practice DBMS Keys Quiz Questions, download Apple e-Book (Free Sample) for online software development courses.
DBMS Keys MCQ (PDF) Questions Answers Download
A property of the entire relation, rather than of the individual tuples, is known as
- Attribute
- Constant
- Variable
- Key
The address field of a person should not be part of the primary key, since it is likely to
- Dependent
- Changed
- Not changed
- Too long
The primary key should be chosen such that its attribute values are
- Updated
- Dependent
- Changed
- Never changed
We are often interested in superkeys for which no proper subset is a
- Superset key
- Superkey
- Primary key
- Unique key
Minimal superkeys are called
- Unique key
- Superset key
- Candidate key
- Primary key
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DBMS Keys MCQs Book Questions
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