[Oracle] DataPump detailed tutorial

Starting from 10 Gb, Oracle provides more efficient DataPump (expdpimpdp) for data import and export. The old expimp can also be used, but it is not recommended. Note

Starting from 10 Gb, Oracle provides more efficient Data Pump (expdp/impdp) for Data import and export. The old exp/imp can also be used, but it is not recommended. Note

In general, we usually equate expdp/impdp with Data Pump, but we can know from the above that it is actually only a part of Data Pump. In fact, what actually works is two APIs, they are hidden in the background and are rarely noticed at ordinary times. However, if some inexplicable errors (such as internal error) occur, it is usually because these two APIs are damaged and you can run scripts to recompile them.