Database Management System (DBMS) MCQ: In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause? | Extra Education

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In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?

Correct Answer: to create a grouping for expressions or columns speciﬁed within a group by clause in one direction, from right to left for calculating the subtotals

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