1
1、查询oracle的连接数
2
select
count(
*)
from v$session;
3
2、查询oracle的并发连接数
4
select
count(
*)
from v$session
where status
=
'
ACTIVE
';
5
3、查看不同用户的连接数
6
select username,count(username)
from v$session
where username
is
not
null
group
by username;
7
4、查看所有用户:
8
select
*
from all_users;
9
5、查看用户或角色系统权限(直接赋值给用户或角色的系统权限):
10
select
*
from dba_sys_privs;
11
select
*
from user_sys_privs;
12
6、查看角色(只能查看登陆用户拥有的角色)所包含的权限
13
select
*
from role_sys_privs;
14
7、查看用户对象权限:
15
select
*
from dba_tab_privs;
16
select
*
from all_tab_privs;
17
select
*
from user_tab_privs;
18
8、查看所有角色:
19
select
*
from dba_roles;
20
9、查看用户或角色所拥有的角色:
21
select
*
from dba_role_privs;
22
select
*
from user_role_privs;
23
10、查看哪些用户有sysdba或sysoper系统权限(查询时需要相应权限)
24
select
*
from V$PWFILE_USERS;