Oracle常见DBA操作

Oracle常见DBA操作

修改语言环境

将中文环境修改为英文环境

alter session set als_language = ‘AMERICAN’;

将英文环境修改为中文环境

alter session set nls_language = ‘SIMPLIFIED CHINESE’;

查询该用户拥有哪些表

select table_name from user_tables;

查询oracle下数据字典表名称及用途

select * from dictionary;

查询oracle下有多少张视图

select index_name from user_views;

查询该用户拥有哪些数据库对象，包括约束等

select object_name from user_objects;

dictionary的操作

desc user_tables;

select table_name from user_tables;

select index_name from user_indexes;

select view_name from user_views;

select * from dictionary;

备份和恢复

exp

imp

创建新用户

create user  haungfang identified by  huangfang  default tablespace users quota 10M on users

grant connect, resource, create view, create trigger to huangfang

drop user liuchao cascade;