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Database Redesign - Database MCQ Questions and answers- Technical Aptitude

Database Redesign(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
A correlated subquery is processed as a nested subquery.
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Answer: Option A
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22
A regular subquery is processed from the bottom up.
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Answer: Option A
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23
Correlated subqueries are similar to a regular subquery.
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Answer: Option B
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24
Database redesign is especially difficult if the database has no data.
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Answer: Option B
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25
Some organizations take the stand that no application should ever employ the true name of a table.
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Answer: Option A
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26
The use of the double NOT EXISTS can be used to find rows that do not match some specified condition.
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Answer: Option A
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27
Although creating test databases is a critical and necessary job, there are few career opportunities in this area.
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Answer: Option B
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28
Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process.
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Answer: Option B
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29
The data model produced from the reverse engineering process does not include intersection table data.
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Answer: Option B
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30
If a database is built correctly the first time, it will not have to be redesigned.
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Answer: Option B
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