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Which kind of index is preferred in DWH?
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Answer / ande
we have bitmap index, b-tree index, function based index,
reverse key index and composit index. we will use bitmap
index in DWH
Regards,
ande
| Is This Answer Correct ? | 7 Yes | 0 No |
Answer / ghouse
to load the data into the fact table b tree index is created
and bit is used where the cordinality of the coloumn is very
low i.e(in dwh-denormalised one)(OLAP)
| Is This Answer Correct ? | 1 Yes | 1 No |
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