Oracle has now changed Oracle Apps DBA Certification track. New version now includes three exams focused on Apps DBA role (against previous Workflow & Sysadmin)
For full detail of exam click here http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=97
First two exams are same as 9i OCP so if you are 9i or 10g OCP , In order to clear Apps DBA Certification Track you just have to clear one exam i.e. 1Z0-233 11i Install patch and Maintain Applications
Ucertify provide practice questions and 100% Pass Guarantee for 1Z0-235 & 1Z0-236 on UCertify Website here
Oracle ACE, Author, Speaker and Founder of K21 Technologies & K21 Academy : Specialising in Design, Implement, and Trainings.