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;
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;