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...
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其他好文 时间:
2015-02-13 16:20:44
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253
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...
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数据库 时间:
2015-02-11 22:04:31
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301
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 ...
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其他好文 时间:
2015-02-09 14:04:10
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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...
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其他好文 时间:
2015-02-06 14:38:31
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133
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:
======================...
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其他好文 时间:
2015-02-05 23:26:45
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274
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 ...
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其他好文 时间:
2015-02-04 18:03:07
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163
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...
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其他好文 时间:
2015-02-04 01:54:58
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279
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...
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其他好文 时间:
2015-02-03 09:26:58
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184
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...
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其他好文 时间:
2015-01-31 17:56:39
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214
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 ...
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其他好文 时间:
2015-01-22 00:10:30
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188