【實用】oracle編碼格式從utf-8轉換爲GBK與GBK轉換成utf-8

本文是參考其他文章來進行試驗學習的，僅供參考交流

通過命令窗口方式把oracle編碼格式從utf-8轉換爲GBK，並且兩者之間相互轉換

以下是我的完整執行流程步驟

E:\work\develop\oracle11g_11_2_0\product\11.2.0\dbhome_1\BIN>sqlplus /nolog

SQL*Plus: Release 11.2.0.1.0 Production on Wed Oct 23 10:02:14 2019

Copyright (c) 1982, 2010, Oracle.  All rights reserved.

SQL> conn /as sysdba
Connected.

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

SQL> startup mount
ORACLE instance started.

Total System Global Area 3240239104 bytes
Fixed Size                  2180104 bytes
Variable Size            1795165176 bytes
Database Buffers         1426063360 bytes
Redo Buffers               16830464 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> select userenv('language') from dual;

USERENV('LANGUAGE')
--------------------------------------------------------------------------------

AMERICAN_AMERICA.AL32UTF8

SQL> ALTER DATABASE OPEN;

Database altered.

SQL> alter database character set internal_use zhs16gbk;

Database altered.

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area 3240239104 bytes
Fixed Size                  2180104 bytes
Variable Size            1795165176 bytes
Database Buffers         1426063360 bytes
Redo Buffers               16830464 bytes
Database mounted.
Database opened.
SQL> select userenv('language') from dual;

USERENV('LANGUAGE')
----------------------------------------------------
AMERICAN_AMERICA.ZHS16GBK

SQL> select * from nls_database_parameters;

PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_LANGUAGE
AMERICAN

NLS_TERRITORY
AMERICA

NLS_CURRENCY
$


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_ISO_CURRENCY
AMERICA

NLS_NUMERIC_CHARACTERS
.,

NLS_CHARACTERSET
ZHS16GBK


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_CALENDAR
GREGORIAN

NLS_DATE_FORMAT
DD-MON-RR

NLS_DATE_LANGUAGE
AMERICAN


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_SORT
BINARY

NLS_TIME_FORMAT
HH.MI.SSXFF AM

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


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_TIME_TZ_FORMAT
HH.MI.SSXFF AM TZR

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

NLS_DUAL_CURRENCY
$


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_COMP
BINARY

NLS_LENGTH_SEMANTICS
BYTE

NLS_NCHAR_CONV_EXCP
FALSE


PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------

NLS_NCHAR_CHARACTERSET
AL16UTF16

NLS_RDBMS_VERSION
11.2.0.1.0


20 rows selected.

同理，如果是從GBK轉換成UTF-8，只要改變以下一句話即可，其他保持不變

把  SQL> alter database character set internal_use zhs16gbk;

改成

SQL> alter database character set internal_use AL32UTF8;

親測有效！！！ 

 

 

參考原文來源鏈接：https://www.cnblogs.com/qima/archive/2012/09/03/2669166.html