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CUBE in Oracle

CUBE is mainly used for cross table reports. It is very similar to ROLLUP and additionally it will also show the summary sub group results.
For n number of columns in the ROLLUP list, 2^n number of result sets will be produced.

ChannelCountry
FranceUSTotal
Internet9,597124,224133,821
Direct Sales61,202638,201699,403
Total70,799762,425833,224