| 范文 | 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;
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