oracle新建表空间及用户

/*第1步：创建临时表空间*/createtemporarytablespace user_temp  
tempfile'D:\oracle\oradata\Oracle9i\user_temp.dbf'size 50m  
autoextendonnext50m maxsize 20480m  
extent management local;/*第2步：创建数据表空间*/createtablespace user_data  
logging  
datafile'D:\oracle\oradata\Oracle9i\user_data.dbf'size 50m  
autoextendonnext50m maxsize 20480m  
extent management local;/*第3步：创建用户并指定表空间*/createuserusername identifiedbypassworddefaulttablespace user_datatemporarytablespace user_temp;/*第4步：给用户授予权限*/grantconnect,resource,dbatousername;