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I’ve been requested to study “the tools Oracle provides to create a data warehouse”. I have studies basic DW concepts, data cubes, data mining, etc. in theory and I also know how to build a basic DW with a “classic” RDBMS like Access (OK let’s say MySQL…)
Now it’s time to get my hands on something more practical, so…
Have a look at Oracle’s Warehouse Builder tool here: http://www.oracle.com/technetwork/developer-tools/warehouse/overview/introduction/index.html
They provide a self-learning guide and an SDK.
Also, in case you aren’t familiar with the ETL(extract, transform and load) concept, it would be helpful as well to do some reading on the topic.