Category: OCM 11g Preparation

Data Pump is one of the most basic things, but it has so many parameters that can transform in a complex thing. Anyway, this utility is probably the most used tool for any DBA. So, try to focus during you training in the things that are not very common. Be good exporting at tablespace / schema / …

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Creating an external is not a easy task. Why? Because, at least for me, this is one of the most complexes Oracle syntaxes. So, the best approach for me in this topic is to go quickly in the documentation place of external tables and use a template. Practice a bit to be prepared for the …

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Star transformation can be really useful in DW environments, where you have your tables divide into dimensions and facts. And the most important, you need to have bitmap indexes! To implement it, you need to change the star_transformation_enabled for your user session and create the tables and indexes to play. Try to practice creating one fact …

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Transporting whole tablespaces is a very good and practical way to move data from one Database to another. Oracle will generate a small dump with the object's metadata and all you need to do is copy the datafiles and dumps to the new system. In this topic, practice: Check if Transport is possible with DBMS_TTS.TRANSPORT_SET_CHECK …

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This topic talks about "encrypted tablespaces", not "encrypted data" or "encrypted columns". So, while studying for OCM, I would recomend you to focus a bit more in tablespace encryption. Studying for "Oracle Database 11g Security Certified Implementation" is the best way to be very good in TDE implementation. Here you need to be very fast in: Point sqlnet.ora to …

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