Database Redesign
Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.

None of these
skeptical
ambivalent
optimistic

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Database Redesign
The EXISTS keyword will be true if:

all rows in the subquery fail the condition only.
any row in the subquery meets the condition only.
both of these two conditions are met.
neither of these two conditions is met.

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