I applied through an employee referral. The process took 3+ months. I interviewed at Oracle (Reston, VA) in Jan 2012
Interview
Phone screening and talking to 3 different people of different levels, one of them will be very technical and only ask technical questions. They will ask your experience on the field and that you provide a good description of your consulting background. They also ask technical questions.
Interview questions [1]
Question 1
Asked about my skills in database, asked to provide a solution to a problem they have described.
2 rounds of technical - They will ask all the technical questions based on your resume. Quite difficult
1 Manager Round - They will ask technical questions and managerial questions
Interview mostly they will ask the basics but from each and every topic for Oracle DBA like configuration, architecture, RMAN, EXP/IMP, Performance Tuning, RAC, Golden Gate, Exadata and Cloud platform question etc.
There was 2 technical interview and one managerial round. L1 round was with some Java coding using stream and theoretical questions and L2 round was more about the scenario based questions