oracle下实现恢复一个丢失的数据文件的代码建站
导读:1建站知识oracle下实现恢复一个丢失的数据文件的代码网站建设网站seo优化软件。
如果您目前拥有一个冷备份,但是缺少了其中的一个数据文件,但你目前存在所有的归档,如果您要恢复数据文件,可以参考以下的示例:
复制代码 代码如下:
[oracle@jumper eygle]$ sqlplus "/ as sysdba" SQL*Plus: Release 9.2.0.4.0 - Production on Sun Aug 20 01:22:50 2006 Copyright (c) 网站优化seo培训1982, 2002, Oracle Corporation. All rights reserved. Connected to an idle instance. SQL> startup mount ORACLE instance started. Total System Global Area 252777592 bytes Fixed Size 451704 bytes Variable Size 134217728 bytes Database Buffers 117440512 bytes Redo Buffers 667648 bytes Database mounted. SQL> alter database open; alter database open * ERROR at line 1: ORA-网站建设教程01157: cannot identify/lock data file 3 - see DBWR trace file ORA-01110: data file 3: '/opt/oracle/oradata/eygle/eygle02.dbf' SQL> alter database create datafile 3 as '/opt/oracle/oradata/eygle/eygle02.dbf'; Database altered. SQL> select name from v$datafile; NAME ------------------------网站建设------------------------------- /opt/oracle/oradata/eygle/system01.dbf /opt/oracle/oradata/eygle/undotbs01.dbf /opt/oracle/oradata/eygle/eygle02.dbf /opt/oracle/oradata/eygle/eygle01.dbf SQL> alter database open; alter database open * ERROR at line 1: ORA-01113: file 3 needs media recovery ORA-01110: data file 3: '/opt/oracle/oradata/eygle/eygle02.dbf' SQL> recover datafile 3; Media recovery complete. SQL> alter database open; Database altered. SQL>
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