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

Question

Options

• Ato find the groups forming the subtotal in a row
• Bto create group-wise grand totals for the groups specified within a GROUP BY clause
• Cto create a grouping for expressions or columns specified within a GROUP BY clause in one direction,
• Dto create a grouping for expressions or columns specified within a GROUP BY clause in all possible

• A
  6% (2)
• B
  3% (1)
• C
  74% (26)
• D
  17% (6)

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