How to create a ops$oracle account ?

CREATE USER "OPS$ORACLE" IDENTIFIED EXTERNALLY

      DEFAULT TABLESPACE "USERS"

      TEMPORARY TABLESPACE "TEMP"

      PROFILE "APPUSER";

GRANT "CONNECT" TO OPS$ORACLE  ;

GRANT "EXP_FULL_DATABASE" TO OPS$ORACLE ;

GRANT "DBA" TO OPS$ORACLE ;

GRANT "IMP_FULL_DATABASE" TO OPS$ORACLE ;

ALTER USER OPS$ORACLE DEFAULT ROLE "CONNECT","EXP_FULL_DATABASE","DBA","IMP_FULL_DATABASE";

-- SYSTEM PRIVILEGES

GRANT ALTER SESSION TO OPS$ORACLE WITH ADMIN OPTION;

GRANT CREATE VIEW TO OPS$ORACLE ;

GRANT CREATE SESSION TO OPS$ORACLE ;

GRANT CREATE TABLE TO OPS$ORACLE ;

GRANT SELECT ANY DICTIONARY TO OPS$ORACLE ;

GRANT CREATE SYNONYM TO OPS$ORACLE ;

GRANT CREATE SEQUENCE TO OPS$ORACLE ;

GRANT CREATE DATABASE LINK TO OPS$ORACLE ;

GRANT ALTER SYSTEM TO OPS$ORACLE WITH ADMIN OPTION;

GRANT UNLIMITED TABLESPACE TO OPS$ORACLE ;

GRANT CREATE CLUSTER TO OPS$ORACLE ;