OCA is the abbreviation of Oracle (Oracle Bone Inscriptions) Certified Associate, and is certified by Oracle 1 1g Database Certification Officer. Ivakhnenko applied the core concepts and principles of GMDH theory to clustering, thus forming a new clustering method-objective clustering analysis (OCA).
Education: There is no restriction on the candidate's diploma when applying for OCA, and anyone can apply for and get this certificate;
Ability: Have a certain understanding of OCA. OCA certification is one of the most important authoritative certifications in the world. If you have OCA certification, then you will add a heavy weight to the powerful companies entering the IT field. Its certificate holders will enjoy the credit-free treatment of OCA-related majors around the world, and also serve as the technical evaluation standard for immigrants from some countries in North America. Obtaining any level of OCA certification means that you are one of the most important people in the IT field.