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C:\Users\Administrator>sqlplus /nolog
SQL*Plus: Release 11.2.0.1.0 Production on 星期三 9月 30 08:24:50 2020
Copyright (c) 1982, 2010, Oracle. All rights reserved.
SQL> SQL>conn / as sysdba
SP2-0734: 未知的命令开头 "SQL>conn /..." - 忽略了剩余的行。
SQL> conn / as sysdba
已连接。
SQL> shutdown immediate
数据库已经关闭。
已经卸载数据库。
ORACLE 例程已经关闭。
SQL> STARTUP MOUNT
ORACLE 例程已经启动。
Total System Global Area 1.0289E+10 bytes
Fixed Size 2184672 bytes
Variable Size 5268048416 bytes
Database Buffers 4999610368 bytes
Redo Buffers 18771968 bytes
数据库装载完毕。
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
系统已更改。
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
系统已更改。
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
系统已更改。
SQL> ALTER DATABASE OPEN;
数据库已更改。
SQL> ALTER DATABASE CHARACTER SET ZHS16GBK;
ALTER DATABASE CHARACTER SET ZHS16GBK
*
第 1 行出现错误:
ORA-12712: 新字符集必须为旧字符集的超集
SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;
数据库已更改。
SQL> select * from v$nls_parameters;
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_LANGUAGE
SIMPLIFIED CHINESE
NLS_TERRITORY
CHINA
NLS_CURRENCY
￥
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_ISO_CURRENCY
CHINA
NLS_NUMERIC_CHARACTERS
.,
NLS_CALENDAR
GREGORIAN
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_DATE_FORMAT
DD-MON-RR
NLS_DATE_LANGUAGE
SIMPLIFIED CHINESE
NLS_CHARACTERSET
ZHS16GBK
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_SORT
BINARY
NLS_TIME_FORMAT
HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT
DD-MON-RR HH.MI.SSXFF AM
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_TIME_TZ_FORMAT
HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT
DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY
￥
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_NCHAR_CHARACTERSET
AL16UTF16
NLS_COMP
BINARY
NLS_LENGTH_SEMANTICS
BYTE
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_NCHAR_CONV_EXCP
FALSE
已选择19行。
SQL> shutdown immediate;
数据库已经关闭。
已经卸载数据库。
ORACLE 例程已经关闭。
SQL> startup
ORACLE 例程已经启动。
Total System Global Area 1.0289E+10 bytes
Fixed Size 2184672 bytes
Variable Size 5268048416 bytes
Database Buffers 4999610368 bytes
Redo Buffers 18771968 bytes
数据库装载完毕。
数据库已经打开。
SQL> select * from v$nls_parameters;
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_LANGUAGE
SIMPLIFIED CHINESE
NLS_TERRITORY
CHINA
NLS_CURRENCY
￥
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_ISO_CURRENCY
CHINA
NLS_NUMERIC_CHARACTERS
.,
NLS_CALENDAR
GREGORIAN
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_DATE_FORMAT
DD-MON-RR
NLS_DATE_LANGUAGE
SIMPLIFIED CHINESE
NLS_CHARACTERSET
ZHS16GBK
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_NCHAR_CHARACTERSET
AL16UTF16
NLS_COMP
BINARY
NLS_LENGTH_SEMANTICS
BYTE
PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_NCHAR_CONV_EXCP
FALSE
已选择19行。
SQL>
select userenv('language') from dual;
select * from v$nls_parameters where parameter in ( 'NLS_LANGUAGE','NLS_TERRITORY','NLS_CHARACTERSET');
