January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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160 C H A P T E R 8
Column Property Analysis
variability in precision and may help determine whether the data type selected
is appropriate. For example, if all values show even integer values, but the data
type is decimal or float, a change may be indicated. It may also raise the ques-
tion of whether the column is being used for its intended purpose.
Valid Value Properties
Once the basic storage shape of the column is determined and the business
meaning validated against some of the values, the process of digging out
invalid values can begin. This is a process of specifying one or more value
properties for ...
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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.