January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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12.3 Types of Value Rules 249
After the first time through, you can tune the test and the expectations.
Sometimes the expectations were set through a false understanding of the
data. Investigation of deviations hopefully will educate the team on the nature
of the data and allow them to set the expectations correctly.
Another useful activity is to compare the expectations to those produced
in a prior execution of the test. Once you are comfortable with the test, you
can repeat the test periodically and compare output sets. This may reveal
trends within acceptable levels of values that may further ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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.