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What is the difference between bitmap and btree index?
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Answer / sneha latha.r
Bitmap index is used for repeating values.
ex: Gender:male/female
Account status:Active/Inactive
Btree index is used for unique values.
ex: empid.
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / amarnath
Bitmap index is used on low cardinality columns i.e less
distinct columns eg: Gender: Male/Female.
B-tree is used on high cardinality colums
eg: Student first name
| Is This Answer Correct ? | 8 Yes | 1 No |
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