So what's the difference?

The cost of OU is relatively expensive, OCP is about 2 W, except for OU reimbursed at public expense, others are WDP. WDP is personal, OCP is about1w. Textual research is always the first step. No one dares to say that he is a certified cow. Personally, there is nothing to choose from economically. Choosing a good training institution and a good teacher is the first condition to enter the oracle database industry. Regardless of the location relationship, in the southwest, Chongqing Sizhuang has Oracle Bone Inscriptions Yunwei and Oracle Bone Inscriptions training, which can be considered;