database-redesign database question and answers -Page 3

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Database Redesign problems

1. The data model produced from the reverse engineering process does not include intersection table data.
Options
A. True
B. False

Correct Answer: False

2. The NOT EXISTS keyword will be true if any row in the subquery meets the condition.
Options
A. True
B. False

Correct Answer: False

3. It is not easy to build a database correctly the first time.
Options
A. True
B. False

Correct Answer: True

4. Adding null columns to a table is straightforward.
Options
A. True
B. False

Correct Answer: True

5. Some organizations take the stand that no application should ever employ the true name of a table.
Options
A. True
B. False

Correct Answer: True

6. Information systems and organizations do not just influence each other; they create each other.
Options
A. True
B. False

Correct Answer: True

7. Reverse engineering is the process of reading a database schema and producing a data model from that schema.
Options
A. True
B. False

Correct Answer: True

8. Typically, there should be at least two different copies of the database schema used in the redesign process.
Options
A. True
B. False

Correct Answer: False

9. Although creating test databases is a critical and necessary job, there are few career opportunities in this area.
Options
A. True
B. False

Correct Answer: False

10. A regular subquery is processed from the bottom up.
Options
A. True
B. False

Correct Answer: True

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