原文链接:11gR2 dataguard 备库文件损坏处理一例
某客户的一套11gR2 dataguard环境出现异常,检查发现是备库出现文件损坏,且无法正常情况,已经超过1个多月没同步了。 我们先来看下备库的日志:
.......省略部分内容
See Note 411.1 at My Oracle Support for error and packaging details.
S...
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其他好文 时间:
2014-06-07 01:25:07
阅读次数:
217
【题目】
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).
For example,
S = "ADOBECODEBANC"
T = "ABC"
Minimum window is "BANC".
Note:
If there is no such window in S that covers ...
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其他好文 时间:
2014-06-05 11:14:26
阅读次数:
255
【题目】
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).
For example,
S = "ADOBECODEBANC"
T = "ABC"
Minimum window is "BANC".
Note:
If there is no such window in S that covers ...
Given an array S of n integers, are there elements
a, b, c, and d in S such that a +
b + c + d = target?
Find all unique quadruplets in the array which gives the sum of target.
Note:
...
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其他好文 时间:
2014-06-05 00:34:06
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240
最近在用QDeclarativeItem的继承来做Qt界面的控件,一开始发现怎么样也没法自动调用paint函数,后来查看了资料,发现如下字句:
You can subclass QDeclarativeItem to provide your own custom visual
item that inherits these features. Note that, because it ...
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其他好文 时间:
2014-06-04 23:47:17
阅读次数:
511
【题目】
Validate if a given string is numeric.
Some examples:
"0" => true
" 0.1 " => true
"abc" => false
"1 a" => false
"2e10" => true
Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before imple...
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其他好文 时间:
2014-06-04 23:45:09
阅读次数:
388
This note summarizes articles from other places
about Microsoft Windows images for OpenStack creation, along with some first
hand experience. The whol...
DescriptionLet us consider sets of positive
integers less than or equal ton. Note that all elements of a set are different.
Also note that the order o...
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其他好文 时间:
2014-05-31 05:12:49
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246
Given preorder and inorder traversal of a tree,
construct the binary tree.Note:You may assume that duplicates do not exist in
the tree./** * Definitio...
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其他好文 时间:
2014-05-30 16:02:40
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289
Given an array of integers, every element
appearsthreetimes except for one. Find that single one.Note:Your algorithm
should have a linear runtime comp...
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其他好文 时间:
2014-05-30 15:15:53
阅读次数:
225