[oracle@test-node1 ~]$ sqlplus tms/tms@PDB

SQL*Plus: Release 12.1.0.2.0 Production on Thu Sep 1 15:02:50 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

ERROR:

ORA-01033: ORACLE initialization or shutdown in progress

Process ID: 0

Session ID: 0 Serial number: 0

sql developer

select con_id, name, open_mode from v$pdbs;

CON_ID    NAME    OPEN_MODE

2    PDB$SEED    READ ONLY

3    PDB1    MOUNT

[oracle@test-node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Thu Sep 1 15:43:24 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Connected to:

Oracle Database 12c Standard Edition Release 12.1.0.2.0 - 64bit Production

With the Real Application Clusters and Automatic Storage Management options

SQL> alter pluggable database all open;

SQL> ALTER PLUGGABLE DATABASE "PDB1" SAVE STATE

Pluggable database altered.

SQL> show con_name

CON_NAME

------------------------------

CDB$ROOT

SQL> alter session set container=PDB1;

Session altered.

SQL> show user

USER is "SYS"

SQL> alter system register;

System altered.

[oracle@test-node1 ~]$ sqlplus tms/tms@PDB

SQL*Plus: Release 12.1.0.2.0 Production on Thu Sep 1 15:44:49 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Last Successful login time: Mon Aug 22 2016 16:45:56 +03:00

Connected to:

Oracle Database 12c Standard Edition Release 12.1.0.2.0 - 64bit Production

With the Real Application Clusters and Automatic Storage Management options

SQL>

--------------------------------------------------------

[oracle@test-node2 ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Thu Sep 1 15:43:24 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Connected to:

Oracle Database 12c Standard Edition Release 12.1.0.2.0 - 64bit Production

With the Real Application Clusters and Automatic Storage Management options

SQL> alter pluggable database all open;

SQL> ALTER PLUGGABLE DATABASE "PDB1" SAVE STATE

Pluggable database altered.

SQL> show con_name

CON_NAME

------------------------------

CDB$ROOT

SQL> alter session set container=PDB1;

Session altered.

SQL> show user

USER is "SYS"

SQL> alter system register;

System altered.

[oracle@test-node2 ~]$ sqlplus tms/tms@PDB

SQL*Plus: Release 12.1.0.2.0 Production on Thu Sep 1 15:44:49 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Last Successful login time: Mon Aug 22 2016 16:45:56 +03:00

Connected to:

Oracle Database 12c Standard Edition Release 12.1.0.2.0 - 64bit Production

With the Real Application Clusters and Automatic Storage Management options

SQL>

---------------

sql developer

select con_id, name, open_mode from v$pdbs;

CON_ID    NAME    OPEN_MODE
2    PDB$SEED    READ ONLY
3    PDB1    READ WRITE

SQL> col con_name format A10

SQL> col instance_name format A10

SQL> col state format A10

SQL> SELECT con_name, instance_name, state FROM dba_pdb_saved_states;

CON_NAME   INSTANCE_N STATE

---------- ---------- ----------

PDB1       erptest_1  OPEN

PDB1       erptest_2  OPEN