oracle 表空间/用户 增加删除

create temporary tablespace user_temp
tempfile 'C:\dmp\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 TBS_RISK
logging
datafile 'C:\dmp\TBS_RISK.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 RISK identified by RISK
default tablespace user_data
temporary tablespace user_temp;  

/*第4步：给用户授予权限  */
grant connect,resource,dba to RISK;

drop user RISK cascade;