Oracle Data Pump and Data Transport

Oracle Data Pump technology enables very high-speed movement of data and metadata from one database to another. Data Pump is used to perform the following planned maintenance activities:

Database migration to a different platform
Database migration to pluggable databases
Database upgrade

The Data Pump features that enable the planned maintenance activities listed above are the following:

Full transportable export/import to move an entire database to a different database instance
Transportable tablespaces to move a set of tablespaces between databases