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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Copyright © 2010 Elsevier Inc.. All rights reserved.
Introduction
Historical data first manifested itself as the backups and logfiles we kept and hoped to ignore. We hoped to ignore those datasets because if we had to use them, it meant that something had gone wrong, and we had to recover a state of the database prior to when that happened. Later, as data storage and access technology made it possible to manage massively larger volumes of data than ever before, we brought much of that historical data on-line and organized it in two different ways. On the one hand, backups were stacked on top of one another and turned into data warehouses. ...
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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.