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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-4 section-1

31
The SQL-92 command to change a table name is RENAME TABLE.
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Answer: Option B
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32
Reverse engineering is the process of reading a database schema and producing a data model from that schema.
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Answer: Option A
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33
The data model produced from the reverse engineering process is a true logical model.
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Answer: Option B
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34
It is not easy to build a database correctly the first time.
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Answer: Option A
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35
Typically, there should be at least two different copies of the database schema used in the redesign process.
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Answer: Option B
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36
Information systems and organizations do not just influence each other; they create each other.
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Answer: Option A
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37
Adding null columns to a table is straightforward.
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Answer: Option A
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38
The NOT EXISTS keyword will be true if any row in the subquery meets the condition.
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Answer: Option B
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39
Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database.
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Answer: Option A
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40
The EXISTS keyword will be true if any row in the subquery meets the condition.
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Answer: Option A
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