Oracle GoldenGate 11g Release 2 Launch Webcast Replay Available
- by Irem Radzik
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For those of you who missed Oracle GoldenGate 11g Release 2
launch webcasts last week, the replay is
now available from the following url.
Harnessing the Power of the New Release of Oracle GoldenGate
11g
I would highly recommend watching the webcast to meet many
new features of the new release and hear the product management team respond to
the questions from the audience in a nice long Q&A section.
In my blog last week I listed the media coverage for this
new release. There is a new article published by ITJungle talking about Oracle
GoldenGate’s heterogeneity and support for DB2 for iSeries: Oracle Completes
DB2/400 Support in Data Replication Tool
As mentioned in last week’s blog, we received over 150
questions from the audience and in this blog I'd like to continue to post some of the
frequently asked, questions and their answers:
Question: What are the fundamental
differences between classic data capture and integrated data capture? Do both
use the redo logs in the source database?
Answer: Yes, they both use redo logs.
Classic capture parses the redo log data directly, whereas the Integrated
Capture lets the Oracle database parse the redo log record using an internal
API.
Question: Does GoldenGate version need to
match Oracle Database version?
Answer: No, they are not directly linked. Oracle
GoldenGate 11g Release 2 supports
Oracle Database version 10gR2 as well. For Oracle Database version 10gR1
and Oracle Database version 9i you will
need GoldenGate11g Release 1 or lower. And for Oracle Database 8i you need
Oracle GoldenGate 10 or earlier versions.
Question: If I already use Data Guard, do I
need GoldenGate?
Answer: Data Guard is designed as the best disaster recovery solution for Oracle
Database. If you would like to implement a bidirectional Active-Active replication
solution or need to move data between heterogeneous systems, you will need
GoldenGate.
Question: On Compression and GoldenGate, if the source
uses compression, is it required that the target also use compression?
Answer: No, the source and target do not
need to have the same compression settings.
Question: Does GG support Advance Security
Option on the Source database?
Answer: Yes it does.
Question: Can I use GoldenGate to
upgrade the Oracle Database to 11g and do OS migration at the same time?
Answer: Yes, this is a very common project
where GoldenGate can eliminate downtime, give flexibility to test the target as needed, and minimize risks with fail-back
option to the old environment. For more information on database upgrades please
check out the following white papers:
Best
Practices for Migrating/Upgrading Oracle Database Using Oracle GoldenGate 11g
Zero-Downtime Database Upgrades Using Oracle GoldenGate
Question: Does GoldenGate create any
trigger in the source database table level or row level to for real-time data
integration?
Answer: No, GoldenGate does not create
triggers.
Question: Can transformation be done after
insert to destination table or need to be done before?
Answer: It can happen in the Capture
(Extract) process, in the Delivery (Replicat) process, or in the target database.
For more resources on Oracle GoldenGate 11gR2 please check out our Oracle GoldenGate 11gR2 resource kit as well.
