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Oracle Corporation offers many different types of certifications, including: Oracle Certified Junior Associate (OCJA)Oracle Certified Associate (OCA)Oracle Certified Professional ( OCP)Oracle Certified Expert (OCE)Oracle Certified Master (OCM)Each certification has a different area of specialization and level. For example, the OCA certification is for beginners such as database administrators and developers, while the OCP certification is more specialized for experienced Oracle technology professionals. In addition, Oracle offers many other types of certifications such as Java certifications, application development certifications, and so on. These certifications are designed to help IT professionals prove their knowledge and competence in the field of Oracle technology.