SQL> show con_name
CON_NAME ------------------------------ CDB$ROOT SQL> create user test identified by test; create user test identified by test * ERROR at line 1: ORA-65096: invalid common user or role name
SQL> select PDB from v$services;
PDB ------------------------------ PDB2 PDB1 CDB$ROOT CDB$ROOT CDB$ROOT CDB$ROOT
6 rows selected.
Řešení
COMMON uživatelel musí začínat c##
SQL> create user c##test identified by test;
User created.