oracle命令

1，查询oracle最大进程数

select count(*) from v$process

2，查询当前连接的进程数

SELECT NAME from v$parameter where name = 'processes'

3，查看在线用户

SELECT osuser, a.username,cpu_time/executions/1000000||'s', sql_fulltext,machine

from v$session a, v$sqlarea b

where a.sql_address =b.address order by cpu_time/executions desc;

4，修改oracle支持的最大进程数

alter system set processes = 300 scope = spfile;