https://docs.oracle.com/en/database/oracle/oracle-database/19/sutil/oracle_datapump-access-driver.html
The ORACLE_DATAPUMP Access Driver
The ORACLE_DATAPUMP access driver provides a set of access parameters that are unique to external tables of the type ORACLE_DATAPUMP.
the oracledatapumpaccessdriver
https://docs.oracle.com/en/database/oracle/oracle-database/18/sutil/oracle_datapump-access-driver.html
The ORACLE_DATAPUMP Access Driver
The ORACLE_DATAPUMP access driver provides a set of access parameters that are unique to external tables of the type ORACLE_DATAPUMP.
the oracledatapumpaccessdriver
https://docs.oracle.com/en/database/oracle/oracle-database/21/refrn/MAX_DATAPUMP_PARALLEL_PER_JOB.html
MAX_DATAPUMP_PARALLEL_PER_JOB
MAX_DATAPUMP_PARALLEL_PER_JOB specifies the maximum number of parallel processes allowed per Oracle Data Pump job.
maxdatapumpparallelperjob
https://jaffardba.blogspot.com/2012/06/bug-14026888-datapump-import-gets-ora.html
Jaffar's (Mr RAC) Oracle blog: Bug 14026888 - Datapump import gets ORA-600...
When a full database datapump import operations executed this morning to load data from an Oracle 11gR1 db to 11gR2 db, the job got failed ...