August 2016
Intermediate to advanced
512 pages
21h 2m
English
book
Real World SQL and PL/SQL: Advice from the Experts
by Arup Nanda, Brendan Tierney, Heli Helskyaho, Martin Widlake, Alex Nuitjen
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CHAPTER5
Edition-Based Redefinition
Oracle Database 11g introduced edition-based redefinition (EBR), a new concept in the Oracle Database that is available for all editions of the database at no extra cost. Over the years a number of technologies have been used to reduce the downtime of the Oracle Database. The one thing that could keep users working uninterrupted was the actual database application they were using. Upgrading the database application always required downtime; it was simply not possible to replace PL/SQL objects that were in use.
The whole purpose of edition-based redefinition is to have zero downtime. However, the concept of edition-based ...
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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.