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Which one of the following method is used to retrieve the...

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Databases Handling
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Which one of the following method is used to retrieve the number of rows affected by an INSERT, UPDATE, or DELETE query?

Answer & Solution
Correct Answer: Option B
The method num_rows() is only useful for determining the number of rows retrieved by a SELECT query. But to retrieve the number of rows affected by INSERT, UPDATE, or DELETE query, use affected_rows().
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