Multiple choice technology databases

which is also known as n-dimensional cross-tabulation ?

  1. Rollback

  2. Rollup

  3. CUBE

  4. Commit

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

CUBE is an SQL extension that produces n-dimensional cross-tabulation by creating subtotals for all possible combinations of grouping columns. Rollup creates hierarchical subtotals, while rollback and commit are transaction control commands.