/*分为四步 */  /*第1步：创建临时表空间 */  create temporary tablespace contract_temp  tempfile 'D:\oradata\contract_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 contract_data  logging  datafile 'D:\oradata\contract_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 contract identified by password  default tablespace contract_data  temporary tablespace contract_temp;  /*第4步：给用户授予权限 */  grant connect,resource,dba to contract;