Hi Luke,
Greetings..!
We are using Oracle 12C database 12.2 and yes we have created another account with name imuser for login which has admin privilages for creating/modifying tables. Followed the below steps mentioned in the installation document
Create an Oracle Database Instance Follow these steps:
Create a new tablespace.
Create a new user.
Grant the user rights to the new database.
Create/alter/drop tables
Create/alter/drop view
Create/alter/drop INDEX
Create/replace/drop stored procedures
Create/replace/drop functions
Create/drop sequence
Create/replace/drop triggers
Create/replace/drop types
Insert/select/delete records
CREATE SESSION / connect to database
Give DBA rights to the user.
Regards,
Rajesh