Datapump expdp/impdp utility.
Oracle gave two utilities like (exp and imp) and (expdp and impdp) to transport database. After 10g the traditional exp/imp become obsolete and additional method like expdp and impdp was introduced.
Datapump Export (expdp/ impdp)
This is also an ORACLE database external utility,that is used to transfer objects between databases. This utility is started from ORACLE 10g database. This utility also makes dump files of binary formats with database objects, object metadata and their control information. The expdp and impdp commands can be executed in the three ways followed: