Oracle certification offers Oracle Certified Associate (OCA), Professional (OCP), Expert (OCE) and Master (OCM) credentials. This blog is a forum to share exam preparation and test taking experiences of Oracle Certified Professionals. Best of Luck! Disclaimer: Opinions expressed by the blog editor and authors are entirely their own and do not reflect the position of Oracle or any other corporation. Any recommendation or advice discussed here or on linked sites are not validated by Oracle.