oracle数据库操作命令

记录常用的oracle数据库操作命令：

1.登陆数据库：sqlplus sys/sysas sysdba;

2.创建表空间：create tablespace oa datafile 'D:\oracle\oradata\orcl\oa.dbf' size 200M autoextend on next 50m maxsize 20480m extent management local;

3.创建用户：create user oa identified by oa default tablespace oa;

4.用户授权：grant connect,dba to oa;

5.导入数据库：imp oa/oa@orcl file=e:\oa.dmp full=y;

6.导出数据库：exp oa/oa@orcl owner=oa file=e:\oa.dmp(导出orcl数据库oa用户下的所有数据和oa用户)

7.删除用户oa及数据库：drop use r oa cascade;

8.删除表空间oa：DROP TABLESPACE oa INCLUDING CONTENTS AND DATAFILES;