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Object Oriented Database - MCQ Questions and answers- Technical Aptitude

Object Oriented Database mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. Database Mcq question are important for technical exam and interview. Page-3 section-1

21
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.
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Answer: Option A
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22
A collection of literals or object types is called a bag.
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Answer: Option B
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23
An attribute's value is either a literal or an object identifier.
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Answer: Option A
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24
Database objects are almost always transient.
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Answer: Option B
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25
An attribute's value is always literal.
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Answer: Option A
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26
Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).
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Answer: Option A
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27
If you know all the possible values that an attribute can have, you can enumerate those values in ODL.
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Answer: Option A
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28
You may specify an object identifier with only one unique tag name.
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Answer: Option B
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29
In ODL, you specify an operation using parentheses after its name.
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Answer: Option A
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30
An ordered collection of elements of the same type are called sets.
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Answer: Option B
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