摘要： 怎样查看oracle当前的连接数呢？只需要用下面的SQL语句查询一下就可以了。#查看当前不为空的连接select * from v$session where username is not null#查看不同用户的连接数select username,count(username) from v$session where username is not null group by username #连接数select count(*) from v$session #并发连接数Select count(*) from v$session where status='ACTIVE& 阅读全文