Question

Bitmap indexes are most efficient when:

A Column has high cardinality Correct Answer Incorrect Answer
B Column has low cardinality Correct Answer Incorrect Answer
C Table is very small Correct Answer Incorrect Answer
D Queries involve full scans only Correct Answer Incorrect Answer
E Only OLTP workloads exist Correct Answer Incorrect Answer

Solution

Bitmap indexes are space-efficient for columns with few distinct values (e.g., gender).

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