Most order by rand related news are at:
More order by rand related news:
mysql随机查询数据 phpiask.com 7 May 2011 | 03:27 pm
MySQL是开放源代码，MySQL因为其速度、可靠性和适应性而备受关注。大多数人都认为在不需要事务化处理的情况下，MySQL是管理内容最好的选择。 那么如何在MySQL实现表中取出随机数据呢？ SELECT * FROM table_name ORDER BY rand() LIMIT 5; rand在手册里是这么说的: RAND() RAND(N) 返回在范围0到1.0内的随机浮点值。如果一个...
Never use ORDER BY RAND() again! pureform.wordpress.com 6 Mar 2008 | 01:27 pm
I have been guilty of using ORDER BY RAND() in MySQL queries to return random records from time to time, but everyone knows to avoid it like the plague. For those who agree with me, aside from using i...
MySQL随机查询的优化实例 uh80.com 7 Aug 2011 | 04:58 pm
MySQL随机查询的效率如果想得到提高，就需要进行优化，下面就为您介绍一个MySQL随机查询优化成功的例子，供您借鉴参考。 一直以为MySQL随机查询几条数据，就用 SELECT * FROM `table` ORDER BY RAND() LIMIT 5 就可以了。 但是真正测试一下才发现这样的MySQL随机查询效率非常低。一个15万余条的库，查询5条数据，居然要8秒以上 查看官方手册...
Order by Rand() i Symfony2 webfish.se 8 Aug 2012 | 10:30 pm
Att hämta en slumpmässig rad från en MySQL är ganska enkelt. Man lägger till ORDER BY RAND() i slutet på sin query. Nackdelen är att det går extremt långsamt. Den har en tidskomplexitet på O(n*log(n))...
MySQL ORDER BY RAND() – Qual a melhor forma de fazer? jf.eti.br 23 Aug 2013 | 09:45 am
Essa é uma dúvida que volta e meia aparece nos fóruns, como obter linhas aleatórias em uma query. Normalmente o que vemos é algo assim: SELECT * FROM tabela ORDER BY rand(); Contudo, o que muitos nã...
Icons: Qt turbomilk.com 31 May 2011 | 11:25 pm
We enjoy working with clients from Norway very much. Framebase, for which we drew a character, approached us with an order for icons. These were more like mini illustrations rather than icons. Althoug...
Zip Zap thehouseofcards.com 26 May 2012 | 02:24 am
Sparks are gonna fly in this lightning-fast card game! Quickly rid your hand of cards by playing numbers in order. Lay down a run and consider yourself in the zone. But don't get caught ZZZZ-ing or el...
Battleship moviesonlinefree.biz 20 May 2012 | 11:52 pm
This movie tells about an USA navy who is asked to do battle with a fleet of unknown aliens named “The Regents” in order to thwart their destructive plan.
Need a vacation! internetinc.com 25 Mar 2011 | 11:11 am
I read almost every book that Verne Harnish recommends so when I saw this in his recent newsletter, I ordered do more faster a couple minutes later. Verne wrote: “Brad Feld Saved His Marriage — last m...
iPad Available in US on April 3; Pre-Orders start on March 12 a4aapl.com 6 Mar 2010 | 05:14 am
Apple today announced the availability of iPad tablet devices in U.S. The Wi-Fi only iPad models are going to be available in the U.S. on April 03, while Wi-Fi + 3G models are going to be available in...
