/*第1步：創建臨時表空間  */
create temporary tablespace user_temp 
tempfile 'D:/oracle/oradata/Oracle9i/user_temp.dbf'
size 50m 
autoextend on 
next 50m maxsize 20480m 
extent management local; 

/*第2步：創建數據表空間  */
create tablespace user_data 
logging 
datafile 'D:/oracle/oradata/Oracle9i/user_data.dbf'
size 50m 
autoextend on 
next 50m maxsize 20480m 
extent management local; 

/*第3步：創建用戶并指定表空間  */
create user username identified by password 
default tablespace user_data 
temporary tablespace user_temp; 

/*第4步：給用戶授予權限  */
grant connect,resource,dba to username;