C:\Users\Administrator>sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production on 星期五 8月 31 09:20:34 2012 Copyright (c) 1982, 2010, Oracle. All rights reserved. 连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> select * from v$version 2 ; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production PL/SQL Release 11.2.0.1.0 - Production CORE 11.2.0.1.0 Production TNS for 32-bit Windows: Version 11.2.0.1.0 - Production NLSRTL Version 11.2.0.1.0 - Production SQL> quit 从 Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options 断 开 C:\Users\Administrator>sqlplus /nolog SQL*Plus: Release 11.2.0.1.0 Production on 星期五 8月 31 09:21:31 2012 Copyright (c) 1982, 2010, Oracle. All rights reserved. SQL> conn / as sysdba 已连接。 SQL> alter system set job_queue_processer=5; alter system set job_queue_processer=5 * 第 1 行出现错误: ORA-02065: 非法的 ALTER SYSTEM 选项 SQL> set job_queue_processer=5; SP2-0735: 未知的 SET 选项开头 "job_queue_..." SQL> alter system set job_queue_processer=5; alter system set job_queue_processer=5 * 第 1 行出现错误: ORA-02065: 非法的 ALTER SYSTEM 选项 SQL> connect orcl/orcl ERROR: ORA-01017: invalid username/password; logon denied 警告: 您不再连接到 ORACLE。 SQL> connect system/w123 已连接。 SQL> show parameter job; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ job_queue_processes integer 0 SQL> alter system set job_queue_processes=5; 系统已更改。 SQL> quit 从 Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options 断 开 然后emca -config dbcontrol db 重新配置