www.oracle.com/technology/getting-started/coredba.html
Oracle's official site for its Oracle Technology Network, otn.oracle.com includes a section dedicated to DBA’s called "For DBAs". This section offers a wealth of Oracle DBA training materials, software downloads and courses such as learning how to schedule and automate DBA jobs. This site also includes information about new product releases.
blogs.oracle.com
To learn the latest news and views from the top DBA bloggers, Infogain recommends you visit Oracle's official blogging community at blogs.oracle.com. Top bloggers include AppsLab, Tim Dexter, Justin Kestelyn and many more.
asktom.oracle.com
This is a handy resource to get your DBA questions answered by Oracle's own experts. In addition, you can search previous responses to hundreds of questions and get information on upcoming Oracle events.
www.dbapool.com
An online community for Oracle DBA's worldwide, which can help DBA's solve their real time problems and learn new tips and techniques helpful in their day-to-day activities. DBAPool is basically a one-stop website catering to the needs of database administrators especially people who utilize Oracle as a database.
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