September 2013
Intermediate to advanced
362 pages
7h 56m
English
Content preview from Oracle Goldengate 11g Complete CookbookBecome 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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Enabling supplemental logging in the source database
Oracle GoldenGate replication can be used to continuously replicate the changes from the source database to the target database. GoldenGate mines the redo information generated in the source database to extract the changes. In order to update the correct rows in the target database, Oracle needs sufficient information to be able to identify them uniquely. Since it relies on the information extracted from the redo buffers, it requires extra information columns to be logged into the redo records generated in the source database. This is done by enabling supplemental logging in the source database. This recipe explains how to enable supplemental logging in the source database.
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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.