create temporary tablespace user_temp
tempfile 'D:/oracle/oradata/Oracle9i/user_temp.dbf'
size 50m
autoextend on
next 50m maxsize 20480m
extent management local;

create tablespace user_data
logging
datafile 'D:/oracle/oradata/Oracle9i/user_data.dbf'
size 50m
autoextend on
next 50m maxsize 20480m
extent management local;

create user username identified by password
default tablespace user_data
temporary tablespace user_temp;

grant connect,resource,dba to username;