1.创建表空间
create tablespace tablespacename
logging
datafile 'filepath\filename.dbf'
size 256m
autoextend on
next 128m maxsize unlimited;
2.查看表空间
SELECT * FROM dba_tablespaces t, dba_data_files d WHERE t.tablespace_name = d.tablespace_name
3.创建用户,并设置默认表空间以及临时表空间
create user username identified by userpassword
default tablespace usertablespace
temporary tablespace temp;
4.更改用户密码
alter user username identified by password;
5.删除用户
drop user username cascade;
4.给用户授权
grant dba to username;--授权dba,还有connect ,resource 等角色
5.导入数据文件(dmp)
imp username/password@host:port/orcl fromuser=fromuser touser=touser file='filepath' log=logfilepath ignore=y;
6.导出数据文件(dmp)
exp username/password@host:port/orcl file='filename' owner=(owner)--owner表示导出owner这个用户的表
7.备份还原表
create table tablename_bak as select * from tablename;--备份表
delete from tablename; insert into tablename select * from tablename_bak;--还原表