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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; |