June 2002
Intermediate to advanced
736 pages
17h 21m
English
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Chapter 8. Data Availability
Availability is the Holy Grail of database administrators. If the data is not available, the applications cannot run. If the applications cannot run, the company is losing business. Therefore, the DBA is responsible for doing everything in his or her power to ensure that databases are kept online and operational. This has been the duty of the DBA since the first days of the database.
However, the need for availability is increasing. The age of the long batch window, where databases can be offline for extended periods to perform nightly processing, is diminishing. Exacerbating this trend is the drive toward e-business. Coupling businesses to the Internet is dramatically ...
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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.