In a previous post, I gave some Career Advice for the New Oracle DBA. We talked about building an environment where you can test. This is the second part of that series and it will be more of a hands on guide where we will step through installing Oracle Virtualbox.
Tag: DBA 101
When you are running Real Application Clusters, the distinction between the instance and the database becomes very clear. You now have an instance running on each server in the cluster that accesses a common database on shared storage. If you run oraenv with a newly installed RAC database, you will notice that you still have to make adjustments to environment variables to access your instance. We are going to continue the theme from my last post (using Oracle’s oraenv), and take a look at using Oracle oraenv with RAC.
As a DBA, you have a constant struggle between availability and maintenance. Oracle has added features over the years to give DBAs additional options for online maintenance. Oracle 12c has added a feature that is really cool and I have been waiting to have for a while. Online datafile moves!
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