Jun 07

OCM 12c Preparation - Protect the database from loss of data due to any kind of failure

So, you need to know how to protect your database and how to resolve any kind of issue. How to protect is the easier part, you must ensure your environment will be prepared for a catastrophic event: Enable Archivelog Enable Flashback Add Supplemental Log Then perform a full backup of your CDB (including the PDBs) …

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Jun 07

OCM 12c Preparation - Create and manage database configuration files

> This topic is pretty the same thing as we had in OCM 11g exam. But now as we have a container database scenario, we open more options. < So, create and manage database configuration files. What is this? Basically PFILE and SPFILE. So you may ask, do I need to know by heart and …

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Jun 07

OCM 12c Preparation - Configure the network environment to allow connections to multiple databases

> This topic is pretty the same thing as we had in OCM 11g exam. But now as we have a container database scenario, we open more options. < You can run multiple listeners in the same server. Thus, it's possible to: Have 1 listener pointing to multiple databases services. Have multiple listeners pointing to …

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Jun 07

OCM 12c Preparation - Create and manage users, roles, and privileges

Creating users, roles and give them privileges are one of the most basic thing a DBA must know. If you need to create any in the exam, you need to memorialize the syntax because this type of task is so basic that you can't lose time on it. As in 12c we have now common …

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May 31

OCM 12c Preparation - Create and manage pluggable databases

Creating the CDB database is one of the most elementary tasks a DBA must do in 12c. For OCM exam, you must create the container DB easily in all the ways imaginable. I can think on the following ways of creating it: Create database using dbca via GUI (the fastest and recommended if the exam …

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