Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

SELECT name FROM staffinfo WHERE salary IN (10000, 25000);
SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;
Both A and B
None of these

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Introduction to SQL
The HAVING clause does which of the following?

Acts EXACTLY like a WHERE clause.
Acts like a WHERE clause but is used for columns rather than groups.
Acts like a WHERE clause but is used for groups rather than rows.
Acts like a WHERE clause but is used for rows rather than columns.

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