查看oracle数据库的连接数以及用户
查询oracle的连接数
select count(*) from v$session;
查询oracle的并发连接数
select count(*) from v$session where status='ACTIVE';
查看不同用户的连接数
select username,count(username) from v$session where username is not null group by username;
查询oracle不同用户的的并发连接数
select username,count(username) from v$session where username is not null and status='ACTIVE';
group by username;
查看所有用户:
select * from all_users;
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):
select * from dba_sys_privs;
select * from user_sys_privs;
查看角色(只能查看登陆用户拥有的角色)所包含的权限
select * from role_sys_privs;
查看用户对象权限:
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;
查看所有角色:
select * from dba_roles;
查看用户或角色所拥有的角色:
select * from dba_role_privs;
select * from user_role_privs;
查看哪些用户有sysdba或sysoper系统权限(查询时需要相应权限)
select * from V$PWFILE_USERS;
查询oracle的连接数
select count(*) from v$session;
查询oracle的并发连接数
select count(*) from v$session where status='ACTIVE';
查看不同用户的连接数
select username,count(username) from v$session where username is not null group by username;
查询oracle不同用户的的并发连接数
select username,count(username) from v$session where username is not null and status='ACTIVE';
group by username;
查看所有用户:
select * from all_users;
查看用户或角色系统权限(直接赋值给用户或角色的系统权限):
select * from dba_sys_privs;
select * from user_sys_privs;
查看角色(只能查看登陆用户拥有的角色)所包含的权限
select * from role_sys_privs;
查看用户对象权限:
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;
查看所有角色:
select * from dba_roles;
查看用户或角色所拥有的角色:
select * from dba_role_privs;
select * from user_role_privs;
查看哪些用户有sysdba或sysoper系统权限(查询时需要相应权限)
select * from V$PWFILE_USERS;