oracle 12c AL32UTF8字符集修改为ZHS16GBK

[root@orcl2 12c]# su - oracle

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[oracle@orcl2 ~]$tnsping t_xshis

TNS Ping Utility for Linux: Version 12.1.0.2.0 - Production on 21-AUG-2016 12:57:09

Copyright (c) 1997, 2014, Oracle.  All rights reserved.

Used parameter files:

/oracle/app/oracle/product/12.1/db_1/network/admin/sqlnet.ora

Used TNSNAMES adapter to resolve the alias

Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = orcl2)(PORT = 1525)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = t_xshis)))

OK (0 msec)

[oracle@orcl2 ~]$echo $ORACLE_SID

xshis2

[oracle@orcl2 ~]$export ORACLE_SID=xshis

[oracle@orcl2 ~]$sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Sun Aug 21 12:58:08 2016

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, Real Application Clusters, OLAP, Advanced Analytics

and Real Application Testing options

SQL> show parameter service

NAME                                 TYPE        VALUE

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

service_names                        string      t_xshis
SQL> 

SQL> select userenv('language') from dual;

USERENV('LANGUAGE')

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

AMERICAN_AMERICA.AL32UTF8

SQL> shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> STARTUP MOUNT EXCLUSIVE;

ORACLE instance started.

Total System Global Area 2.4964E+10 bytes

Fixed Size                  7656800 bytes

Variable Size            5368711840 bytes

Database Buffers         1.9529E+10 bytes

Redo Buffers               59449344 bytes

Database mounted.

SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;

System altered.

SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;

System altered.

SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;

System altered.

SQL> ALTER DATABASE OPEN;

Database altered.

SQL> ALTER DATABASE CHARACTER SET INTERNAL_USE ZHS16GBK;

Database altered.

SQL> ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE AL16UTF16;

Database altered.

SQL> SHUTDOWN IMMEDIATE

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> STARTUP

ORACLE instance started.

Total System Global Area 2.4964E+10 bytes

Fixed Size                  7656800 bytes

Variable Size            5368711840 bytes

Database Buffers         1.9529E+10 bytes

Redo Buffers               59449344 bytes

Database mounted.

Database opened.

SQL> select userenv('language') from dual;

USERENV('LANGUAGE')

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

AMERICAN_AMERICA.ZHS16GBK

SQL> col parameter format a32;

SQL> col value format a32;

SQL> select * from nls_database_parameters;

PARAMETER                        VALUE

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

NLS_RDBMS_VERSION                12.1.0.2.0

NLS_NCHAR_CONV_EXCP              FALSE

NLS_LENGTH_SEMANTICS             BYTE

NLS_COMP                         BINARY

NLS_DUAL_CURRENCY                $

NLS_TIMESTAMP_TZ_FORMAT          DD-MON-RR HH.MI.SSXFF AM TZR

NLS_TIME_TZ_FORMAT               HH.MI.SSXFF AM TZR

NLS_TIMESTAMP_FORMAT             DD-MON-RR HH.MI.SSXFF AM

NLS_TIME_FORMAT                  HH.MI.SSXFF AM

NLS_SORT                         BINARY

NLS_DATE_LANGUAGE                AMERICAN

PARAMETER                        VALUE

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

NLS_DATE_FORMAT                  DD-MON-RR

NLS_CALENDAR                     GREGORIAN

NLS_NUMERIC_CHARACTERS           .,
NLS_NCHAR_CHARACTERSET           AL16UTF16

NLS_CHARACTERSET                 ZHS16GBK

NLS_ISO_CURRENCY                 AMERICA

NLS_CURRENCY                     $

NLS_TERRITORY                    AMERICA

NLS_LANGUAGE                     AMERICAN

20 rows selected.

SQL>