Q:

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

mhmadesk

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2022-07-08

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

Correlated subqueries only
EXISTS/NOT EXISTS expressions only
Both of the above are helpful
None of the above are helpful.

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mhmadesk

2022-07-08

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(c).Both of the above are helpful

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