在 Oracle 数据迁徙的时候需要使源和目标数据库的字符集, 版本等信息统一......
这里是对一个数据库的设置, 需要在两边进行同样的操作.
- SYS@PROD1> select userenv('language') from dual;
- USERENV('LANGUAGE')
- ----------------------------------------------------
- AMERICAN_AMERICA.ZHS16GBK
- SYS@PROD1> startup mount
- ORACLE instance started.
- Total System Global Area 638853120 bytes
- Fixed Size 2255952 bytes
- Variable Size 255853488 bytes
- Database Buffers 373293056 bytes
- Redo Buffers 7450624 bytes
- Database mounted.
- SYS@PROD1> ALTER SESSION SET SQL_TRACE=TRUE;
Session altered.
SYS@PROD1> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
System altered.
SYS@PROD1> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
System altered.
- SYS@PROD1>
- SYS@PROD1>
- SYS@PROD1> ALTER SYSTEM ENABLE RESTRICTED SESSION;
System altered.
- SYS@PROD1> alter database open;
- Database altered.
- SYS@PROD1> alter database character set internal_use WE8MSWIN1252;
- Database altered.
- SYS@PROD1> alter system disable restricted session;
System altered.
SYS@PROD1> execute sys.dbms_metadata_util.load_stylesheets;
PL/SQL procedure successfully completed.
- SYS@PROD1> select userenv('language') from dual;
- USERENV('LANGUAGE')
- --------------------------------------------------------------------------------
- AMERICAN_AMERICA.WE8MSWIN1252
查看已经更改, 这里需要把之前修改的参数改回去:
SYS@PROD1> alter system set job_queue_processes=30 ;
System altered.
SYS@PROD1> alter system set AQ_TM_PROCESSES=1;
重启 (实验环境下强制重启)
- SYS@PROD1> startup force ;
- ORACLE instance started.
- Total System Global Area 638853120 bytes
- Fixed Size 2255952 bytes
- Variable Size 255853488 bytes
- Database Buffers 373293056 bytes
- Redo Buffers 7450624 bytes
- Database mounted.
- Database opened.
完成~
来源: http://www.linuxidc.com/Linux/2018-07/153275.htm