Category: OCM 12c Preparation

OCM 12c Preparation

Sep 13

OCM 12c - The Saga

I decided to write this article to tell all the saga from the planning to the results of the OCM 12c Certification Exam that I did last month. So, with this, maybe I can inspire other people to try to get a OCM credential too! =] Well, shortly after I passed the OCM 11g in …

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Jul 31

OCM 12c Preparation - Create RAC databases

After install the RAC software, this topic asks to create a new RAC database. This means that if you fail to install, you will have no way to create a RAC DB or services (nex topic), resulting in a lot of lost points. So it's mandatory to do the previous topic and this with all …

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Jul 31

OCM 12c Preparation - Install the Oracle Database 12c software

So, this reminds me the first skillset but one thing that I’ve only noticed now is that there is no “Install Oracle Database software” there. Here, what I recommend you to practice is: Install Oracle DB using GUI (preferable, of course). Install Oracle DB using CLI (and RSP file). Do both of the above into local and …

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Jul 31

OCM 12c Preparation - Configure services

As the last topic for OCM 12c Upgrade Exam, we need to know how to create services. You can only create Policy managed services in Policy managed databases. Thus, this topic is a good opportunity to practice the conversion between Admin <-> Policy Managed databases. Practice: Creating Policy managed services with both UNIFORM and SINGLETON …

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Jul 31

OCM 12c Preparation - Start, stop, configure, and administer Oracle Grid Infrastructure

Like 11g, configure and administer Grid Infrastructure can be done using the 2 main provided tools: “crsctl” and “srvctl”. srvctl start/stop -> Start/Stop the cluster services. srvctl realocate -> Move some service, like the scan listener. srvctl status -> Check if service is running. srvctl config -> Display configuration. srvctl modify -> Change configuration. crsctl start/stop crs -> …

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