January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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7.6 Closing Remarks I41
coverable only in the aggregation. For example, two data sources that main-
tain the same information at different levels of granularity will populate a data
warehouse column with unusable data. Each data source would pass data pro-
filing just fine.
7.6 Closing Remarks
Data profiling is described in this book as a generic technology. Any specific
implementation of software and process to support it will be more or less com-
plete for each step. For example, in value analysis you could invent new ana-
lytical techniques endlessly to micro-define what is acceptable. Similarly you
can invent ...
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