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

To create a grouping for expressions or columns specified within a GROUP BY clause in all possible directions, which is cross-tabular report for calculating the subtotals

To find the groups forming the subtotal in a row

To create group-wise grand totals for the groups specified within a GROUP BY clause

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

In which scenario would you use the ROLLUP operator for expression or

1.	In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?
A.	To find the groups forming the subtotal in a row
B.	To create group-wise grand totals for the groups specified within a GROUP BY clause
C.	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
D.	To create a grouping for expressions or columns specified within a GROUP BY clause in all possible directions, which is cross-tabular report for calculating the subtotals
Answer» D. To create a grouping for expressions or columns specified within a GROUP BY clause in all possible directions, which is cross-tabular report for calculating the subtotals

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

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