August 2010
Intermediate to advanced
512 pages
13h 53m
English
Content preview from Managing Time in Relational DatabasesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2. A Taxonomy of Bi-Temporal Data Management Methods
In Chapter 1, we presented an historical account of various ways that temporal data has been managed with computers. In this chapter, we will develop a taxonomy, and situate those methods described in Chapter 1, as well as several variations on them, in this taxonomy.
A taxonomy is a special kind of hierarchy. It is a hierarchy which is a partitioning of the instances of its highest-level node into different ...
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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.