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Data and Database Administration MCQ Questions and answers | Database | Technical Aptitude

Data and Database Administration (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
Information repositories are replacing data dictionaries in many organizations.
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Answer: Option A
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22
Mirrored databases are almost always provided in high-availability systems.
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Answer: Option A
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23
Databases are not the property of a single function or individual within the organization.
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Answer: Option A
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24
Queries that do full table scans should be avoided.
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Answer: Option A
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25
The restore/rerun technique involves reprocessing the day's transactions up to the point of failure.
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Answer: Option A
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26
Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally.
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Answer: Option A
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27
A disaster recovery plan does not need to include the shipment of database backups to other sites.
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Answer: Option B
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28
With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
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Answer: Option B
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29
Data modeling and database design are key responsibilities of data and data base administration.
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Answer: Option A
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30
Incorrect data is easy to detect.
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Answer: Option B
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