连接oracle数据库，修改启动定时任务所需项 job_queue_processes

 1 C:\Users\Administrator>sqlplus sys/sys@192.168.1.251/orcl as sysdba
 2 
 3 SQL*Plus: Release 11.2.0.1.0 Production on 星期六 12月 16 03:51:28 2017
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 5 Copyright (c) 1982, 2010, Oracle.  All rights reserved.
 6 
 7 
 8 连接到:
 9 Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
10 With the Partitioning, OLAP, Data Mining and Real Application Testing options
11 
12 SQL> select value from v$parameter where name like ‘%job_queue_processes%‘
13   2
14 SQL> alter system set job_queue_processes = 30
15   2
16 SQL> alter system set job_queue_processes = 30;
17 
18 系统已更改。
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20 SQL> select value from v$parameter where name like ‘%job_queue_processes%‘ ;
21 
22 VALUE
23 --------------------------------------------------------------------------------
24 
25 30
26 
27 SQL> select value from v$parameter where name like ‘%job_queue_processes%‘