oracle常用DBA命令

kmv1ew0npz

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;