在cdb的模式下:
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> create user hr identified by hr;
create user hr identified by hr
*
ERROR at line 1:
ORA-65096: invalid common user or role name
看一下报错信息:
SQL> !oerr ora 65096
65096, 00000, "invalid common user or role name"
// *Cause: An attempt was made to create a common user or role with a name
// that wass 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.
// *Acti