This error occurs because impdp not a SQLPlus command.
Solved
C:\Windows\system32>sqlplus sys/ oracle@orcl as sysdba
SQL*Plus: Release 12.2.0.1.0 Production on Wed Nov 7 12:03:56 2018 Copyright (c) 1982, 2017, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> impdp system/ oracle@orcl directory=dp schemas=SCDB dumpfile=SCDB.DMP logfile=SCDB.log SP2-0734: unknown command beginning "impdp syst..." - rest of line ignored. SQL> ^C
C:\Windows\system32>impdp system/ oracle@orcl directory=dp schemas=SCDB dumpfile=SCDB.DMP logfile=SCDB.log Import: Release 12.2.0.1.0 - Production on Wed Nov 7 12:10:48 2018 Copyright (c) 1982, 2017, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production Master table "SYSTEM"."SYS_IMPORT_SCHEMA_01" successfully loaded/unloaded
Md. Ilyas Hasan Mamun
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