Oracle 中文乱码

迈不过友情╰ 2022-08-03 11:39 273阅读 0赞

一、  问题

安装oracle 11g 时候，没有选择字符集，只是默认的AMERICAN\_AMERICA.WE8MSWIN1252   导致用plsql 查询的时候，中文是乱码

二、解决办法

window-> 开始->运行    输入

sqlplus "/as sysdba"

SQL> shutdown immediate  
Database closed.  
Database dismounted.  
ORACLE instance shut down.  
SQL> startup mount  
ORACLE instance started.  
  
  
Total System Global Area 3290345472 bytes  
Fixed Size                  2180224 bytes  
Variable Size            1795165056 bytes  
Database Buffers         1476395008 bytes  
Redo Buffers               16605184 bytes  
Database mounted.  
SQL> alter system enable restricted session;  
  
  
System altered.  
  
  
SQL>show parameter job\_queue\_processes;  
  
  
NAME                                 TYPE        VALUE  
\------------------------------------ ----------- ------------------------------  
job\_queue\_processes                  integer     1000  
SQL> show parameter aq\_tm\_processes;  
  
  
NAME                                 TYPE        VALUE  
\------------------------------------ ----------- ------------------------------  
aq\_tm\_processes                      integer     0  
SQL> alter system set job\_queue\_processes=0;  
  
  
System altered.  
  
  
SQL> alter database open ;  
  
  
Database altered.  
  
  
  
  
SQL> alter database character set internal\_use ZHS16GBK;  
  
  
Database altered.  
  
  
SQL> select \* from nls\_database\_parameters where parameter='NLS\_CHARACTERSET';  
  
  
PARAMETER  
\------------------------------  
VALUE  
\--------------------------------------------------------------------------------  
  
  
NLS\_CHARACTERSET  
ZHS16GBK  
  
  
  
  
SQL> shutdown immediate  
Database closed.  
Database dismounted.  
ORACLE instance shut down.  
SQL>  startup mount  
ORACLE instance started.  
  
  
Total System Global Area 3290345472 bytes  
Fixed Size                  2180224 bytes  
Variable Size            1795165056 bytes  
Database Buffers         1476395008 bytes  
Redo Buffers               16605184 bytes  
Database mounted.  
SQL> alter system set job\_queue\_processes=1000;  
  
  
System altered.  
  
  
SQL> alter database open;  
  
  
Database altered.