Export full database using data pump expdp

Create a directory.

• cd /home/oracle
• mkdir -p datapump/fullexport

Connect database using SYS user

• sqlplus / as sysdba

Create a directory object

• create a directory orcl_full as '/home/oracle/datapump/fullexport';

Grant read, write privileges on directory object and a rule 'datapump_exp_full_database' to hr user

• grant read,write on directory orcl_full to hr;
• grant datapump_exp_full_database to hr;