January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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CHAPTER I 0
Simple Data Rule Analysis
After fully data profiling column properties and data structure, it is time to
deal with data rules. Technically, all testing discussed in the last two chapters
involves rules in that they define conditions the data must follow to be consid-
ered accurate. However, it is easier to understand and profile column and
structure rules if they are cast in traditional database architecture terminology.
At this point, however, the remaining rules to consider are general enough in
nature that they require an expression language all to themselves.
Data rules are specific statements
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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.