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
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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)
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