January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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7.3 Data Profiling Methodology I ~ 5
Because data rules involve more than one value, they cannot tell which
value within the error set is wrong, only that the combination of values is
wrong. A full description of simple data rule analysis is provided in Chapter 10.
Complex Data Rule Analysis
More complex data rules require values to conform to the rule over multiple
business objects. An example might be a rule that says that a specific customer
cannot be both a retail customer and a commercial customer. This requires
finding all of the customer records for each customer and then checking ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.