ORA-65096: invalid common user or role name

Question:  I am trying to create a user in Oracle 12c and I don't give a rat's butt about pluggable databases.  When I try to create a user with the c## prefix I get the dreaded ORA-65096 error:

create user fred identified by flintstone;
ORA-65096: invalid common user or role name

I don't care if the user ID is used as a pluggable database, I just want to create a user named fred without being required to add the c## prefix (create user c##fred).

How do I fix the ORA-65096 error and create my use without a container database c## prefix?

Answer:

ORA-65096: invalid common user or role name

Cause:

An attempt was made to create a common user or role

with a name that was not valid for common users or roles.

In addition to the usual rules for user and role names,

common user and role names must start with C## or c##

and consist only of ASCII characters.

 

Action:

Specify a valid common user or role name.

** You can create user ID without c##, only you do the following :

connect system/manager as sysdba

alter session set "_ORACLE_SCRIPT"=true;

create user fred identified by flintstone;

grant dba to pubs; connect fred/flintstone

http://www.dba-oracle.com/t_ora_65096_create_user_12c_without_c_prefix.htm

이상입니다. 좋은 하루되세요..~

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