oracle创建表空间

create temporary tablespace usertmp  
tempfile 'd:usertmp.dbf'
size 50m  
autoextend on  
next 50m maxsize 20480m  
extent management local;  
 
/*第2步：创建数据表空间  */
create tablespace demo  
logging  
datafile 'D:demo.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 demo identified by 123  
default tablespace demo  
temporary tablespace usertmp;  
 
/*第4步：给用户授予权限  */
grant connect,resource,dba to demo;