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<HEAD><TITLE>FAQ汇萃 >> Oracle 专栏 >> 如何移数据库文件?</title>
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<a href=../list_thread.php?int_attribute=1>FAQ汇萃</a>
>> <a href=../list_thread.php?forumid=20&int_attribute=1>Oracle 专栏</a>
>> 如何移数据库文件? [<a href=../forum/showthread.php?goto=newpost&threadid=222>查看别人的评论</a>]<br>
<hr><p>由 webmaster 发布于: 2001-02-03 13:43</p><p><img src="images/icons/icon10.gif" alt="Talking" border=0> </p><p>软件环境:
<br>1、Windows 2000+ORACLE 8.1.6
<br>2、ORACLE安装路径为:C:\ORACLE
<br>
<br>实现方法:
<br>
<br>有两种移动数据库文件的方法:
<br>alter database或alter tablespace,
<br>
<br>后者仅用于不包括 SYSTEM 的表空间、回滚段或临时段的数据文件
<br>前者可用于所有数据文件
<br>
<br>alter database方法:
<br>
<br>1、创建实验表空间
<br>SQL> create tablespace test datafile
<br> 2 'e:\test.dbf' size 5M
<br> 3 default storage (initial 1M next 1M pctincrease 0)
<br> 4 /
<br>SQL>
<br>
<br>表空间已创建。
<br>
<br>e:为硬盘上的一个逻辑分区,现要把test.dbf文件移到d:盘
<br>
<br>可使用以下语句查看一下数据文件状态
<br>SQL> select file_name,file_id,tablespace_name,bytes,status from dba_data_files;
<br>
<br>FILE_NAME FILE_ID TABLESPACE_NAME BYTES STATUS
<br>---------------------------------------- ---------- -------------------- ---------- ---------
<br>C:\ORACLE\ORADATA\ORADB\SYSTEM01.DBF 1 SYSTEM 273154048 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\RBS01.DBF 2 RBS 73400320 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\USERS01.DBF 3 USERS 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\TEMP01.DBF 4 TEMP 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\TOOLS01.DBF 5 TOOLS 10485760 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\INDX01.DBF 6 INDX 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\DR01.DBF 7 DRSYS 20971520 AVAILABLE
<br>E:\TEST.ORA 8 TEST 5242880 AVAILABLE
<br>
<br>
<br>2、使用SERVER MANAGER关闭实例
<br>c:\> svrmgrl
<br>SVRMGR> connect internal
<br>SVRMGR> shutdown;
<br>SVRMGR> exit;
<br>
<br>也可以在管理工具中用“服务”工具来关闭OracleServiceORCL,
<br>不用关闭OracleOraHome81TNSListener
<br>
<br>3、使用操作系统命令来移动数据库文件位置(不关闭,移动不了文件)
<br>c:\>move e:\test.dbf d:\test.dbf
<br>或在资源管理器中用鼠标“剪切”“粘贴”来完成
<br>
<br>4、装载数据库并用alter database命令来改变数据库中的文件名
<br>
<br>也可以在管理工具中用“服务”工具来启动OracleServiceORCL
<br>不过,这时,表面上看OracleServiceORCL服务是启动了,但数据库并没有打开,
<br>显示
<br>ERROR:
<br>ORA-01033: ORACLE initialization or shutdown in progress
<br>这时,也可用internal/oracle连入SQL*Plus
<br>
<br>SVRMGR> connect internal
<br>SVRMGR> shartup mount ORCL;
<br>SVRMGR> alter database rename file
<br> > 'e:\test.dbf' to
<br> > 'd:\test.dbf';
<br>注意:一定要加单引号'
<br>完成这个步骤后,保留数据库日志,并执行步骤5
<br>
<br>
<br>5、启动实例
<br>SVRMGR> connect internal
<br>SVRMGR> alter database open;
<br>
<br>这时,数据库真正打开,可以执行各种操作
<br>
<br>6、查看一下数据文件状态
<br>SQL> select file_name,file_id,tablespace_name,bytes,status from dba_data_files;
<br>
<br>FILE_NAME FILE_ID TABLESPACE_NAME BYTES STATUS
<br>---------------------------------------- ---------- -------------------- ---------- ---------
<br>C:\ORACLE\ORADATA\ORADB\SYSTEM01.DBF 1 SYSTEM 273154048 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\RBS01.DBF 2 RBS 73400320 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\USERS01.DBF 3 USERS 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\TEMP01.DBF 4 TEMP 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\TOOLS01.DBF 5 TOOLS 10485760 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\INDX01.DBF 6 INDX 20971520 AVAILABLE
<br>C:\ORACLE\ORADATA\ORADB\DR01.DBF 7 DRSYS 20971520 AVAILABLE
<br>D:\TEST.ORA 8 TEST 5242880 AVAILABLE
<br>
<br>
<br>
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