January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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8.4 Mapping with Other Columns i 6 7
information is. There will be multiple time periods of the data within each of
which there is consistency but across time periods little or no consistency.
There are programmatic methods of finding potential inconsistency
points. However, these are very complex. This area of data profiling technol-
ogy is very new, with little maturity in implementations. However, you can
employ heuristic techniques to find them. One simple method is to divide data
into samples coming from different time periods (such as three-month inter-
vals), profiling them to determine the ...
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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.