oracle 创建表空间

/*分为四步 */
/*第1步：创建临时表空间  */
create temporary tablespace user_temp  
tempfile ‘/u01/app/oracle/oradata/orcl/user_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 user_data  
logging  
datafile ‘/u01/app/oracle/oradata/orcl/user_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 password  
default tablespace user_data  
temporary tablespace user_temp;  
 
/*第4步：给用户授予权限  */
grant connect,resource,dba to username;