Most mysql explain related news are at:
远程管理磁盘服务提示RPC服务故障 1 Aug 2013 | 08:14 pm
最近在研究HyperVserver连接FC存储建立高可用虚拟机群集,碰到了很多问题.因为2012server目前激活方式有待考证,因此暂时用的HyperV2008 server实施。实施过程中碰到了很多困难,而且由于之前关于FC存储方面是在了解有限,浪费了很多时间。考虑之后会对本次项目做一次总结,供日后借鉴。 网上关于ServerCore和HyperVserver的资料比较少,少也不准确,不过现...
交换机开启dhcp-snooping防止伪造DHCP服务器 2 Jul 2013 | 12:42 pm
dhcp-snooping 功能可以针对交换机所有端口进行监测,对信任端口接收的DHCP报文OFFER,ACK等进行转发,其他监测端口直接抛弃,实现阻止非法DHCP服务器造成网络地址混乱。 下面使用方法仅供举例,实际配置大同小异,只需要开启dhcp-snooping,配置信任端口即可。 H3C交换机 全局模式下:>dhcp-snooping 开启 端口模式下 :>dhcp-snooping ...
More mysql explain related news:
高效的MySQL分页 086php.com 26 Oct 2012 | 07:41 am
PERCONA PERFORMANCE CONFERENCE 2009上,来自雅虎的几位工程师带来了一篇”Efficient Pagination Using MySQL“的报告,有很多亮点,本文是在原文基础上的进一步延伸。 首先看一下分页的基本原理: mysql> explain SELECT * FROM message ORDER BY id DESC LIMIT 10000, 20\G...
高效的MySQL分页 leo108.com 6 May 2013 | 05:33 pm
PERCONA PERFORMANCE CONFERENCE 2009上,来自雅虎的几位工程师带来了一篇”Efficient Pagination Using MySQL“的报告,有很多亮点,本文是在原文基础上的进一步延伸。 未经允许严禁转载 首先看一下分页的基本原理: http://leo108.com/pid-1914.asp mysql> explain SELECT * FROM m...
MySQL Explain rows column really IS an estimate aaronsaray.com 23 Jul 2013 | 07:53 pm
Here is an interesting proof of concept that the ‘rows’ column of the explain output is actually an estimate, and not the real amount. I KNEW it to be true, but somehow I didn’t feel like it was right...
HDTV (High Definition Television) Explained newwavecom.com 11 Feb 2012 | 09:28 am
HDTV is the popular acronym for High Definition Television, which is a way of broadcasting video in digital format, whereby the signal is sent in the form of zeros and ones instead of the waves used i...
Wordless Wednesday #8 kokoro-no-haiku.blogspot.com 29 Jun 2011 | 04:01 am
On Wednesdays all over the internet, bloggers post a photograph with no words to explain it on their blog. Hence the ‘wordless’ title. The idea is that the photo itself says so much that it doesn’t ne...
Wordless Wednesday #7 kokoro-no-haiku.blogspot.com 22 Jun 2011 | 04:45 am
On Wednesdays all over the internet, bloggers post a photograph with no words to explain it on their blog. Hence the ‘wordless’ title. The idea is that the photo itself says so much that it doesn’t ne...
Wordless Wednesday #6 kokoro-no-haiku.blogspot.com 15 Jun 2011 | 09:38 pm
On Wednesdays all over the internet, bloggers post a photograph with no words to explain it on their blog. Hence the ‘wordless’ title. The idea is that the photo itself says so much that it doesn’t ne...
Wordless Wednesday #5 kokoro-no-haiku.blogspot.com 8 Jun 2011 | 04:57 pm
On Wednesdays all over the internet, bloggers post a photograph with no words to explain it on their blog. Hence the ‘wordless’ title. The idea is that the photo itself says so much that it doesn’t ne...
Wordless Wednesday #4 kokoro-no-haiku.blogspot.com 1 Jun 2011 | 06:11 am
On Wednesdays all over the internet, bloggers post a photograph with no words to explain it on their blog. Hence the ‘wordless’ title. The idea is that the photo itself says so much that it doesn’t ne...
6 أدوات لا يمكنني العيش بدونها cssbit.com 23 Oct 2010 | 11:58 pm
1. PHP Designer محرر PHP, CSS, XHTML, MySQL, JS البرنامج يوفر خصائص أكثر مما احتاج فعليا، جربت PHPStrom وكان رائعا وبخصائص جديدة، (أنصح بتجربته). حاليا ابحث عن محرر يدعم CSS3 و HTML5، سمعت أن PHPDesi...