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Database Redesign

Database Redesign
A regular subquery can be processed:

from the bottom up.
None of these
from the top down.
by nesting.

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Database Redesign
Database redesign is not terribly difficult if the:

database is structured.
database has no data.
database is well-designed.
database is relatively small.

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Database Redesign
Information systems and organizations do not just influence each other; they create each other.

False
True

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Database Redesign
The use of the double NOT EXISTS can be used to find rows that do not match some specified condition.

True
False

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Database Redesign
The EXISTS keyword will be true if any row in the subquery meets the condition.

False
True

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Database Redesign
If a database is built correctly the first time, it will not have to be redesigned.

False
True

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