oracle下實現恢復一個丟失的數據文件的代碼建站
導讀:1建站知識oracle下實現恢復一個丟失的數據文件的代碼網站建設網站seo優化軟件。
如果您目前擁有一個冷備份,但是缺少了其中的一個數據文件,但你目前存在所有的歸檔,如果您要恢復數據文件,可以參考以下的示例:
復制代碼 代碼如下:
[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) 網站優化seo培訓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-網站建設教程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 ------------------------網站建設------------------------------- /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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