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Oracle

1Z0-047 · Question #109

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

The correct answer is C. to create a grouping for expressions or columns specified within a GROUP BY clause in one direction, from. See the full explanation below for the reasoning.

Question

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

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, from
  • Dto create a grouping for expressions or columns specified within a GROUP BY clause in all possible

How the community answered

(37 responses)
  • A
    5% (2)
  • B
    11% (4)
  • C
    81% (30)
  • D
    3% (1)

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