在cdb下建立用户默认是container=all，不能设置container=currentc#
在pdb下建立用户默认是container=current,不能设置container=allide
1.在pdb下用container参数建立用户：it
SQL> show con_nameclass
CON_NAMEdb
------------------------------di
TESTview
SQL> create user scott identified by tiger container=all;vi
create user scott identified by tiger container=allco
*editor
ERROR at line 1:
ORA-65050: Common DDLs only allowed in CDB$ROOT
SQL> create user scott identified by user container=current;
User created.
SQL> show con_name
CON_NAME
------------------------------
TEST
2.在cdb用户下建立参数
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> create user d identified by d;
create user d identified by d
*
ERROR at line 1:
ORA-65096: invalid common user or role name
SQL> create user c##d identified by d container=current;
create user c##d identified by d container=current
*
ERROR at line 1:
ORA-65094: invalid local user or role name
SQL> create user c##d identified by d container=all;
User created.
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT