5. 事务并发处理 a) 事务的特性:ACID i.Atomicity 原子性 ii.Consistency 一致性 iii.Isolation 隔离性 iiii.Durability 持久性 b) 事务并发时可能出现的问题 i. 第一类丢失更新(Lost Update) 汇入100元把余额改为11 ...
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其他好文 时间:
2017-04-27 15:42:01
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279
A - Aggressive cows POJ - 2456 Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line ...
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其他好文 时间:
2017-04-26 13:51:17
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247
Backward Digit Sums Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4487 Accepted: 2575 Description FJ and his cows enjoy playing a mental ...
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其他好文 时间:
2017-04-24 15:45:47
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252
Out of Hay Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11580 Accepted: 4515 Description The cows have run out of hay, a horrible event ...
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其他好文 时间:
2017-04-24 14:37:41
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195
题目描述 The N (2 <= N <= 10,000) cows are so excited: it's prom night! They are dressed in their finest gowns, complete with corsages and new shoes. They ...
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其他好文 时间:
2017-04-23 15:46:01
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176
Shadow Brokers泄露出一份震惊世界的机密文档,其中包含了多个 Windows 远程漏洞利用工具。本文主要介绍了其中一款工具Fuzzbunch的分析与利用案例 1 整体目录介绍 解压EQGRP_Lost_in_Translation-master.zip文件(下载地址:https://gi ...
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2017-04-23 12:32:50
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316
Description Accounting for Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital data for preparing annual report for MS Inc. A ...
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其他好文 时间:
2017-04-22 12:31:05
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168
We can create volumn to keep the data, even we stop the container and restart again, the data won't get lost. To create a link between the folder /my- ...
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其他好文 时间:
2017-04-21 20:06:42
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227
Backward Digit Sums Time Limit: 1000MS Memory Limit: 65536K Total Submissions: Accepted: Description FJ and his cows enjoy playing a mental game. They ...
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其他好文 时间:
2017-04-18 16:07:40
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204
二分,O(≧口≦)O,要哭了。。。一开始怎么都没搞懂题意,果然要好好学英语了。。。/(ㄒoㄒ)/~~ 这个题要好好看题意,不翻译了,再翻译错就丢人了。。。 这个题就是排排坐,二分就可以了。。。 River Hopscotch Description Every year the cows hold ...
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其他好文 时间:
2017-04-17 22:11:57
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242