Why Bitmap Index is used in Data Warehousing?

  • Interview Candidate
  • 3
  • 2310

Showing Answers 1 - 3 of 3 Answers

karthik

  • Sep 17th, 2007
 

Because bitmapped indexes map values in the column to bits and store only the bit values, storage is reduced by several orders when bitmapped indexes are used.

  Was this answer useful?  Yes

Give your answer:

If you think the above answer is not correct, Please select a reason and add your answer below.

 

Related Answered Questions

 

Related Open Questions