| 内容 | 
		     1、开始—》运行—》cmd,然后输入sqlplus / as sysdba;连上数据库;     2、删除用户:在dos窗口输入drop user eqm cascade;     3、删除tablespace:在dos窗口输入DROP TABLESPACE EQM INCLUDING CONTENTS AND DATAFILES;如果报错说有表还在使用此表空间,查出那些表然后删除,查询方法select distinct owner,segment_name, segment_type from dba_extents where tablespace_name='EQM';     4、新建表空间:     create tablespace eqm logging     datafile 'D:oracleproduct10.2.0oradataEQM.DBF'     size 4096m     autoextend on     next 150m maxsize 20480m     extent management local;     5、新建用户     create user eqm identified by eqm default tablespace eqm;     6、给用户授予权限     Grant dba to eqm; |