OCM_Session3_3_FlashbackDatabase

3. Flashback Database 3.1 Turn on Flashback Database 3.1.1 Configure a flash recovery area of 4GB 3.1.2 Put your flash recovery area in /home/oracle/flash (you may have to create this diretory) 3.2 Leave your databases open for review. 首

3. Flashback Database 3.1 Turn on Flashback Database 3.1.1 Configure a flash recovery area of 4GB 3.1.2 Put your flash recovery area in /home/oracle/flash (you may have to create this diretory) 3.2 Leave your databases open for review.首先创建一个路径，然后配置闪回去大小和位置，mount状态下flashback为on，最后打开数据库。
[oracle@ocm1 ~]$ mkdir /home/oracle/flash[oracle@ocm1 ~]$ sqlplus “/as sysdba”
SQL*Plus: Release 10.2.0.1.0 – Production on Fri Mar 21 14:13:55 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to:Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 – ProductionWith the Partitioning, OLAP and Data Mining options
SQL> show parameter db_recovery_file_dest
NAME TYPE VALUE———————————— ———– ——————————db_recovery_file_dest stringdb_recovery_file_de本文来源gao($daima.com搞@代@#码(网5st_size big integer 0
SQL> alter system set db_recovery_file_dest_size=4g scope=spfile;
System altered.
SQL> alter system set db_recovery_file_dest=’/home/oracle/flash’ scope=spfile;
System altered.
SQL> shutdown immediateDatabase closed.Database dismounted.ORACLE instance shut down.SQL> startup mount;ORACLE instance started.
Total System Global Area 524288000 bytesFixed Size 1220360 bytesVariable Size 176161016 bytesDatabase Buffers 343932928 bytesRedo Buffers 2973696 bytesDatabase mounted.SQL> alter database flashback on;
Database altered.
SQL> alter database open;
Database altered.
SQL> select flashback_on from v$database;
FLASHBACK_ON——————YES
SQL>
SQL> show parameter recovery
NAME TYPE VALUE———————————— ———– ——————————db_recovery_file_dest string /home/oracle/flashdb_recovery_file_dest_size big integer 4Grecovery_parallelism integer 0

喜欢 (0)赏

[搞代码]

分享 (0)