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二:Recovery models(恢复模式)
For each database that you create in SQL Server, with the exception of the system databases, you can configure it to use one of three possible recover...
分类:其他好文   时间:2015-02-13 16:20:44    阅读次数:253
Oracle Flashback Drop: Undo a DROP TABLE Operation
7.4 Oracle Flashback Drop: Undo a DROP TABLE Operation Oracle Flashback Drop reverses the effects of a DROP TABLE operation. It can be used to recover after the accidental drop of a table. Flashbac...
分类:数据库   时间:2015-02-11 22:04:31    阅读次数:301
leetcode[99]Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ...
分类:其他好文   时间:2015-02-09 14:04:10    阅读次数:148
[leetcode] Recover Binary Search Tree
Recover Binary Search TreeTwo elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A sol...
分类:其他好文   时间:2015-02-06 14:38:31    阅读次数:133
利用datafile copy将数据文件重命名
思路: o 利用RMAN对数据文件做copy o 将数据文件offline o switch文件名,这一步将更改控制文件中数据文件对应的文件名 o recover数据文件 o 将数据文件online,恢复生产 注:也可以利用这种思路做DATABASE COPY,然后做SWITCH DATABASE,迁移数据库...   实验过程如下: ======================...
分类:其他好文   时间:2015-02-05 23:26:45    阅读次数:274
Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ...
分类:其他好文   时间:2015-02-04 18:03:07    阅读次数:163
DataGuard failover dg role自动切换模式测试
1,在脚本中代入create db flash backup point for recover dg2,测试前主备库状态(备库现角色验证,主库监听状态-->有意stop)主要验证思路,脚本从备库对dg主库连接性做测试,若主库连接性有问题(监听,网络,.....),自动切换备库角色到主库角色;执行验...
分类:其他好文   时间:2015-02-04 01:54:58    阅读次数:279
akka-persistence note
Recovery默认下,一个persistent acotr在启动时会自动recover,在重启的时候回放journaled messages. 当在回放message时,被送到persistent actor的新message不会被干扰. 要等recovery完成时,新的message才会被接收到...
分类:其他好文   时间:2015-02-03 09:26:58    阅读次数:184
rman 增量恢复 dg gap后 主库添加新数据文件
1) On the standby database, 关闭 (MRP) SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL; 2) On the STANDBY DATABASE, 获取备库最小scn值,用作主库增量备份点 : col MIN(CHECKPOINT_CHANGE#) for 999999999999...
分类:其他好文   时间:2015-01-31 17:56:39    阅读次数:214
[LeetCode] Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ...
分类:其他好文   时间:2015-01-22 00:10:30    阅读次数:188
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