OCA,OCP,OCM silly to be confused?

You may know that OCA, OCP, ocm relationship is a more difficult than a test, a higher than a gold content, but you know the specific test subjects, test methods, the employment situation difference? If you don't know, this easy-to-read article will give you a glance.
Difference One: Gold content
OCA: The first step for database professionals to embark on Oracle database certification
Represents the basic knowledge of Oracle database management.
OCP: The database professional has proven the industry acceptance of Oracle's technology to prove that the holder is able to establish and manage critical Oracle database capabilities in the most efficient manner.
OCM: Oracle Authority for the highest level of database professionals with years of hands-on experience in Oracle technology and advanced skills training.
Difference Two: Examination contents
OCA: Master Course Administration Workshop I (042) and a SQL-related course Introduction to SQL (007) or SQL Tuning Workshop (047).
OCP: Master Course Administration Workshop I and a SQL-related course Introduction to SQL (007) or SQL Tuning Workshop (047). and master Course Administration Workshop II (043);
Take part in a factory training course.
OCM: The person who participates in the certification mustGet Oracle Database OCP certificate；
Complete two advanced courses or WDP courses provided by Oracle.
Two-Sky machine Operation Test qualified.
Difference three: The way to obtain certification
OCA: No original training required, two exams needed
Ocp:oca and OCP certifications can be combined with an exam, with at least one OEM training or WDP through the OCP, through the exam
OCM: Requires at least two more original advanced course training or WDP training courses, and two days of on-machine exams
Difference four: Exam fee (USD to USD)
OCA: Two exam fees for 195usd*2 or 195USD+125USD
OCP: Upgrades from OCA to OCP are subject to 195USD exam fees as well as original training fees (minimum 6K), or 195USD exam fees and WDP training fees; The direct test OCP is subject to the cost of the 195usd*3 and the original training or WDP training fee.
OCM:OCM Exam registration fee is 8K per door. Each course of the original training fee list price of about 14,000 yuan, but WDP training can find channel discount discount.
Difference Five: employment situation
OCA: Has the opportunity to enter the DBA related industry already very good, the annual salary is about 40,000
OCP: A good stepping stone, but whether you can do the job still need to examine the actual operation in the work, the annual salary of 50,000 to 100,000
OCM: Only hundreds of people in China, more than 120,000 annual salary
Difference Six: The original meaning of English
Oracle Database Administrator Certification officer (OCA): Oracle Certified Associate
Oracle Database Administrator Certified Professional (OCP): Oracle Certified Professional
Oracle Database Administrator Certified Master (OCM): Oracle Certified Master
What, is it the answer to the doubts in your heart? This time will not OCA, OCP, OCM again silly division is not clear it?

OCA,OCP,OCM silly to be confused?