1.
Sql代碼
1.select count(*) from v$process ?
select count(*) from v$process --當(dāng)前的數(shù)據(jù)庫連接數(shù)
2.
Sql代碼
1.select value from v$parameter where name = 'processes'
select value from v$parameter where name = 'processes'--數(shù)據(jù)庫允許的最大連接數(shù)
3.
Sql代碼
1.alter system set processes = 300 scope = spfile;
alter system set processes = 300 scope = spfile;--修改最大連接數(shù):
4.
Sql代碼
1.shutdown immediate; ?
2.startup;
shutdown immediate;
startup;--重啟數(shù)據(jù)庫
5.
Sql代碼
1.SELECT osuser, a.username,cpu_time/executions/1000000||'s', b.sql_text,machine? ?
2.from v$session a, v$sqlarea b ?
3.where a.sql_address =b.address order by cpu_time/executions desc;
SELECT osuser, a.username,cpu_time/executions/1000000||'s', b.sql_text,machine
from v$session a, v$sqlarea b
where a.sql_address =b.address order by cpu_time/executions desc;
--查看當(dāng)前有哪些用戶正在使用數(shù)據(jù)
6.
Sql代碼
1.select count(*) from v$session ?
select count(*) from v$session?? --當(dāng)前的session連接數(shù)
7.
Sql代碼
1.select count(*) from v$session where status='ACTIVE'
select count(*) from v$session where status='ACTIVE'　--并發(fā)連接數(shù)
8.
Sql代碼
1.show parameter processes ?
show parameter processes?? --最大連接
9.
Sql代碼
1.alter system set processes = value scope = spfile;

轉(zhuǎn)載于:https://www.cnblogs.com/websocket/p/4777931.html

總結(jié)

以上是生活随笔為你收集整理的查看并设置oracle并发连接数的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯(cuò)，歡迎將生活随笔推薦給好友。