Should business intelligence analysis tie in with operational reports?
Should business intelligence (BI) analysis tie in exactly with the day-to-day
operational reports in the source systems? If not, what percentage of tolerance do you
recommend?
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Hannah Smalltree, Editorial Director
If you are building a BI system, you must be able to tie back its contents to its sources.
This does not mean that you don't change the data en route to the BI system. If you don't change
the data, you're losing a tremendous amount of BI's value. However, through the use of
metadata
kept in a repository or embedded in the BI data structures, users need to develop a comfort level
that the data has been moved intact. The only "tolerance" in the equation is any gap between the
ideal state of
cleansed
data and the actual data quality. There is, however, no tolerance at all for missing
operational data.
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This was first published in January 2010
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