码迷,mamicode.com
首页 >  
搜索关键字:recover automatic    ( 1699个结果
oracle数据库recover和restore的区别
restore just copy the physical file, recover will consistent the database.restore 是还原,文件级的恢复。就是物理文件还原。recover 是恢复,数据级的恢复。逻辑上恢复,比如应用归档日志、重做日志,全部同步,保持一致...
分类:数据库   时间:2014-10-15 00:59:31    阅读次数:374
增量备份解决dg库日志gap
有时候备库滞后于主库很长时间了,而主库的归档日志已经不存在了,此时的日志间隔如何消除那,很多人选择重建备库,这个是很麻烦的,尤其当主库数据量很大的时候,此时我们还有另外一种选择,那就是使用增量数据库备份来前滚备库,消除日志间隔,具体作法如下:1.备库查看丢失..
分类:其他好文   时间:2014-10-11 17:35:36    阅读次数:273
UDEV SCSI Rules Configuration for ASM in Oracle Linux 5 and 6
UDEV SCSI Rules Configuration for ASM in Oracle Linux 5 and 6 For Oracle Automatic Storage Manager (ASM) to use disks, it needs to be able to identify the devices consistently and for them to have th...
分类:数据库   时间:2014-10-09 17:47:07    阅读次数:306
pl/sql Dynamic Performance Tables not accessible,Automatic Statistics disabled for this session
一、问题描述:pl/sql Dynamic Performance Tables not accessible,Automatic Statistics disabled for this session打开PL/SQL时,报的错。二、解决办法,来源与互联网:第三种方法(推荐)彻底禁掉PL/SQL ...
分类:数据库   时间:2014-10-09 01:37:27    阅读次数:373
OC中ARC forbids explicit message send of release错误
ARC forbids explicit message send of'release' 很显然,是ARC的问题。 错误原因:在创建工程的时候点选了“Use Automatic Reference Counting”选项 ARC是什么? ARC是iOS 5推出的新功能,全称叫 ARC(Automatic ReferenceCounting)。简单地说,...
分类:其他好文   时间:2014-10-08 00:00:34    阅读次数:277
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 pretty straight forward. Could you devis...
分类:其他好文   时间:2014-10-06 18:43:20    阅读次数:201
搭建逻辑备库
1. 搭建物理备库2. 在物理备库上停止重做应用,如果备库是RAC,则必须停止所有执行以下语句以外的实例SQL> alter database recover managed standby database cancel;Database altered.3. 为角色转换准备主库这一步仅在执行切换...
分类:其他好文   时间:2014-10-06 02:11:59    阅读次数:375
Synthesis of memory barriers
A framework is provided for automatic inference of memory fences in concurrent programs. A method is provided for generating a set of ordering constra...
分类:其他好文   时间:2014-10-06 01:02:39    阅读次数:249
The Dangers of JavaScript’s Automatic Semicolon Insertion
Although JavaScript is very powerful, the language’s fundamentals do not have a very steep learning curve. Prior to the explosion of web applications,...
分类:编程语言   时间:2014-10-05 03:57:27    阅读次数:343
[Oracle] - 性能优化工具(2) - ASH
ASH和AWR的关系ASH以V$SESSION为基础,每秒採样一次,记录活动会话等待的事件。不活动的会话不会採样,採样工作由新引入的后台进程MMNL来完毕。ASH内存记录数据始终是有限的,为了保存历史数据,引入了自己主动负载信息库(Automatic Workload Repository ,AWR...
分类:数据库   时间:2014-10-02 11:57:12    阅读次数:194
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!