Basics of database administartion

I was asked if I wanted to become a database administrator, I gladly accepted the job but I don't have a clue on where to start on studying database administration. Is there anyone here that can help me understand or give me a brief course on database administration? all the suggestions would be welcome, thank you and god bless to all.
Gene FontanillaInfrastructure Project LeadAsked:
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Gene FontanillaInfrastructure Project LeadAuthor Commented:
Thanks! oh i forgot to add mainly these are the tasks:

Install, Patch, Maintain, Upgrade, Tune, Backup and Recovery, and Security
slightwv (䄆 Netminder) Commented:
I would start with the Oracle Concepts Guide.

It will give you the basics on how Oracle works.

Then you can start with the 2-Day tutorials and the rest of the documentation.

Concepts guide:

The entire book list:

The 2-Day tutorials:
2 Day DBA
2 Day + Security Guide
2 Day + Performance Tuning Guide

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Gene FontanillaInfrastructure Project LeadAuthor Commented:
Thank you very much for the info! :)
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