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Bitmap indices are a specialized type of index designed for easy querying on ___________

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in Database Management by (119k points)
Bitmap indices are a specialized type of index designed for easy querying on ___________

(a) Bit values

(b) Binary digits

(c) Multiple keys

(d) Single keys

I had been asked this question during an interview for a job.

My question is based upon Bitmap Indices in division Indexing and Hashing of Database Management

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Best answer
The correct option is (c) Multiple keys

The best I can explain: Each bitmap index is built on a single key.

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