Oracle certification brings a higher standard of benchmarked skills and abilities, which leads to greater opportunities and higher pay packages. According to information week magazine, "oracle is the #1 skill sought by it managers, and is the hardest to find."
A research conducted by international data corporation revealed the following:

• Ocp certified professionals handled 40% more support calls, and their employers have reported 49% less system downtime.
• For the majority of companies surveyed, the savings from increased effectiveness paid the costs of certification in fewer than 9 months.
• Respondents with specialization in database administration had an average annual salary of $70,590.
• 70% said that being certified earns them more respect from mangers and peers.
• 64% said certification has improved their problem solving skills
• 61% have seen a greater demand for their skills since becoming certified.
• And 60% believe certification has contributed to increased productivity.

• Application developer
• Database administrator (dba)

Database administrator:
Database administrators are responsible for administrative activities like installing database, taking backups, managing and fine-tuning performance over the network, and data recovery. they have the knowledge of basic architecture of the oracle database. Visit oracle dba certification track page to gain detailed information about the exam, its details, types of questions, and how to prepare for the exam, if you are interested in taking the ocp-dba certification.

Application developer:
Application developers are responsible for developing applications on oracle. They should have a good knowledge of sql, pl/sql, and developing internet applications using form builder and report builder. Visit oracle application developer certification track page to gain detailed information about the exam, its details, types of questions, and how to prepare for the exam, if you are interested in taking the ocp developer certification.