1、登陆cdb创建pdb

sqlplus / as sysdba

create pluggable database pdb4
admin user pdb4 identified by pdb4
file_name_convert=('/u01/app/oracle/oradata/cdb/pdbseed','/u01/app/oracle/oradata/cdb/pdb4');

2、具体步骤

<roidb01:cdb:/home/oracle>$sqlplus / as sysdba

sql*Plus: Release 12.1.0.2.0 Production on Sat Jan 20 12:07:32 2018

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

Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning,OLAP,Advanced Analytics and Real Application Testing options

sql> show con_name

CON_NAME
------------------------------
CDB$ROOT
sql> create pluggable database pdb4
  2  admin user pdb4 identified by pdb4
  3  file_name_convert=('/u01/app/oracle/oradata/cdb/pdbseed','/u01/app/oracle/oradata/cdb/pdb4');

Pluggable database created.

sql> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           READ WRITE NO
         5 PDB3                           READ WRITE NO
         6 PDB4                           MOUNTED
sql> alter pluggable database all open;

Pluggable database altered.

<roidb01:cdb:/u01/app/oracle/oradata/cdb/pdb3>$sqlplus pdb4/pdb4@192.168.1.243:1521/pdb4

sql*Plus: Release 12.1.0.2.0 Production on Sat Jan 20 12:11:50 2018

Copyright (c) 1982,Advanced Analytics and Real Application Testing options

sql> show con_name

CON_NAME
------------------------------
PDB4
sql>