Oracle certification is just a way for employers to know that the person who comes to apply for a job has passed a technical exam in Oracle database. In fact, Oracle certification is only one of the criteria to measure a candidate, the other criteria are: 1. Excellent communication skills. Oracle DBAs usually have to deal with technical experts in the IT industry, so he or she must be able to explain Oracle concepts in a clear and concise manner for all developers or programmers accessing the Oracle database. In some cases, the Oracle DBA is also a manager, and therefore, is equally required to have excellent interpersonal skills in participating in strategic development programs as well as in database design.2. A comparable professional degree. Most successful Oracle professionals require a bachelor's degree in computer science or information systems. For higher positions, such as Oracle DBA, many employers require a master's degree in computer science or an MBA.3. Some practical experience. This is one of the biggest concerns for newcomers with an OCP certificate. Many people with OCP certificates and no work experience are complaining that they won't have work experience without OCP certificates, and they won't have a job without work experience. This is a very difficult problem in the job market.4. Rich theoretical knowledge of the database. In addition to mastering the technical knowledge required by the OCP, a successful Oracle professionals also have to have a database and database design-related software knowledge, including database standardization theory and the use of the Unified Modeling Language (UML) object-oriented model, of course, there are other database design methodology related knowledge, such as CORBA and J2EE. in the final analysis, the OCP and In the final analysis, OCP is not a complete measure of a person's actual level, but only for non-IT people to enter the Oracle field to provide a method.