创建Oracle表空间和用户

create oracle tablespace and user

/*第1步：创建临时表空间 */
create temporary tablespace test_temp
tempfile 'e:	ablespace	est_temp.dbf'
size 50m
autoextend on
next 50m maxsize 20480m
extent management local;

/*第2步：创建数据表空间  */
create tablespace test_data 
logging
datafile 'e:	ablespace	est_data.dbf'
size 50m
autoextend on
next 50m maxsize 20480m
extent management local;

/*第3步：创建用户并指定表空间 */
create user username identified by '123456' default tablespace test_data temporary tablespace test_temp;

/*第4步：给用户授予权限  */
grant connect,resource,dba to username;

 or

create tablespace test_data datafile 'e:	ablespace	est_data.dbf' size 800M  autoextend on;
alter tablespace test_data add datafile 'e:	ablespace	est_data_increased.dbf' size 1G autoextend on;
create user username identified by '123456' default tablespace test_data;
grant connect,resource,dba to username;

and others

-- 修改密码
alter user username identified by '123456';