January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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C H A P T E R I The Data Quality Problem
F I G U R E I . 2 Demands on operational databases.
Along with the increasing complexity of systems comes an increase in the
impact of inaccurate data. In the primary systems, a wrong value may have lit-
tle or no impact. It may cause a glitch in processing of an order, resultingin
some small annoyance to fix. However, as this wrong value is propagated to
higher-level decision support systems, it may trigger an incorrect reordering
of a product or give a decision maker the wrong information to base expand-
ing a manufacturing line on. The latter consequences ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.