Multiple choice technology databases

which commands is combination of unions ?

  1. Rollup

  2. Rollback

  3. CUBE

  4. I and III both

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CUBE operation generates all combinations (unions of rollups) across multiple dimensions - it's essentially a combination of multiple ROLLUP operations. Rollback and commit are transaction controls, not aggregation commands.