Which of the following SQL statements are helpful in database redesign? Options: A . &nbspCorrelated subqueries only B . &nbspEXISTS/NOT EXISTS expressions only C . &nbspBoth of the above are helpful D . &nbspNone of the above are helpful

Which of the following SQL statements are helpful in database redesign?

Question - Which of the following SQL statements are helpful in database redesign?

Options:

A . Correlated subqueries only

B . EXISTS/NOT EXISTS expressions only

C . Both of the above are helpful

D . None of the above are helpful

Answer: Option C

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