2020-05-25T09:54:00Z

bitmap index as preferred choice in data warehousing environment

RS
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GM
Real User
2020-06-02T07:14:29Z
Jun 2, 2020
RS
Real User
Jul 21, 2020

Thanks Gauri, Can you please elaborate below 2 points with example to avoid any possible ambiguity and gain crystal clarity:

1. Rowid bit map value of indexed values are stored together, making faster access for group data access
3. Bit mapping where 2 or more bitmap indexes can be intersected for faster access.
Regarding point 2, I guess space saving comes due to compression, however compression may be CPU intensive process.

Thanks,
Rajneesh

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