oracle常用DBA命令

1.查看用户拥有的数据库对象

select object_name from user_objects;

2.查看约束信息

select constraint_name from user_constraints;

3.查看用户所拥有的表

select table_name from user_tables;

或

select *from tab;

4.查看用户所拥有的视图

select view_name from user_views;

5.查看用户所拥有的触发器

select trigger_name from user_triggers;

6.查看用户拥有的序列

select sequence_name from user_sequence;

7.查看用户拥有的索引

select index_name from user_indexs;

8.显示当前用户

show user;

9.切换用户

conn scott/tiger;

10.将用户赋予某种角色登录

conn scott/tiger as sysdba;

11.查看所有用户

conn system/unis;
select username from dba_users;

12.查看用户所拥有的权限

select *from session_privs;

13.给用户加锁

alter user scott account lock;

14.给用户解锁

alter user scott account unlock;

15.修改用户密码

alter user zzg identified by zzg123

16.新建用户

create user zzg identified by zzg123;

17.删除用户及相关对象

drop user zzg cascade;

18.给用户赋权(多个采用逗号间隔)

grant create session,create table to zzg;

19.分配表空间给用户

alter user zzg default tablespace ts_zzg;

20.授权表空间给用户

grant unlimited tablespace to zzg;

21.删除表空间

drop tablespace ts_zzg including contents and datafiles cascade constraints;