oracle's certification are required to conduct training and obtain training certificate in order to register, ocp registration methods: 1, first to oracle authorized wdp center for training. 2, after the completion of training can be in the PearsonVUE official website for the registration of the three examination subjects. 3, book a good examination time and place and pay the fee. 4, on time to participate in the examination can be. ocm certification The exam must be certified by ocp to apply for the exam, registration methods: 1, first go to oracle authorized wdp center for training. 2, after the completion of training can be in the PearsonVUE official website for the exam registration. 3, book a good exam time and place and pay the fee (the exam can only be carried out in Beijing and Shanghai Oracle University). 4, on time to take the exam. oracle certification exam costs Oracle certification is divided into oca, ocp, ocm three levels, different levels, exam costs are different, oca certification can not be individually applied for and will not be issued a certificate, because oca certification has been merged with the ocp certification, ocp exam costs in the 6,800 yuan or so, ocm certification exam cost of $ 2,000.