In Which Scenario Would You Use The Rollup Operator For #46
In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?
This multiple choice question (MCQ) is related to the book/course gs gs117 Database Management System. It can also be found in gs gs117 Transactions - Implementation of Isolation Levels - Quiz No.1.
In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?
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
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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