创建表空间、创建用户及授权
1.创建临时表空间 create temporary tablespace user_temp tempfile 'E:oracleoradatadxbuser_temp.dbf' size 50m autoextend on next 50m maxsize 2048m extent management local; 2.创建数据表空间 create tablespace user_data logging datafile 'D:oracleuser_data.dbf' size 50m autoextend on next 50m maxsize 20480m extent management local; 3.创建保存索引的表空间 create tablespace dxb_index logging datafile 'E:oracleoradat