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The wildcard in a WHERE clause is useful when

The wildcard in a WHERE clause is useful when Correct Answer An exact match is not possible in a SELECT statement.

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Which of the following statements are TRUE about an SQL query? P: An SQL query can contain a HAVING clause even if it does not have a GROUP BY clause Q: An SQL query can contain a HAVING clause only if it has a GROUP BY clause R: All attributes used in the GROUP BY clause must appear in the SELECT clause S: Not all attributes used in the GROUP BY clause need to appear in the SELECT clause
The wildcard in a WHERE clause is useful when?
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