The OCP professional status proves that you have achieved a high level of Oracle database design and implementation skills. As an OCP certified professional, your customers and employers will be confident in your knowledge, the required know how, and skills to design, develop and implement Oracle-based solutions.
Oracle Press (Osborne/McGraw-Hill) and Oracle press free downloads are mind blowing material and free of cost, OOfs database is very confusing and to relate each table, generating query, Basic Oracle Net Architecture, Basic Oracle Net Services Client-Side Configuration, Backup and Recovery Overview cleared from this stuff. Donít want to say more before exam.