Alpha Five Database

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

2010 should be remembered because SQL will die this year. This year, the relational database is on the verge of falling, and this year developers found they no longer needed long, laborious columns or tables to store data. 2010 will be the starting year for document databases. Although this momentum has lasted for many years, it is now the era of more and broader document-based databases. From cloud-based Amazon to Google, a large number of open source tools, and the ensuing CouchDB and MongoDB. So what is MongoD ...

"51CTO classic" I like MongoDB mainly because it is so simple and natural to use it in dynamic languages. So far, I've used it in two projects (Encode and SPARRW), although I'm very happy with the choice, but there are some problems I haven't noticed, and these problems have kept me scratching my scalp for hours. If you have more than one machine, and then allocate a few more machines for the database, then some problems can be solved, but my project is running on a single (virtual) server on the low flow w ...

Editor's note: Data Center 2013: Hardware refactoring and Software definition report has a big impact. We have been paying close attention to the launch of the Data Center 2014 technical Report. In a communication with the author of the report, Zhang Guangbin, a senior expert in the data center, who is currently in business, he says it will take some time to launch. Fortunately, today's big number nets, Zhangguangbin just issued a good fifth chapter, mainly introduces Facebook's data center practice, the establishment of Open Computing Project (OCP) and its main work results. Special share. The following is the text: confidentiality is the data ...

Xu Yibo/Wen, following the 2004, 2005, Everbright Baode Letter Quantification Core fund and the investment Morgan Alpha Fund respectively issued, after 4 years, with the establishment of the fine quantitative Fund, as well as the China Sea Quantitative Strategy fund issued a few days ago, quantitative investment method once again caused the domestic market and investors attention. In the qualitative investment in the domestic fund market, quantitative investment is slightly mysterious, by the Sino-Sea Quantitative Strategy fund issue, China Sea Quantitative Strategy fund manager Mr. Li Yangang, Joint Securities New Product Development department Xiaijiang and the National Gold Securities Fund Research Center Professional ...

Abstract: Lee Colling lead: Lee Colling to do client yy is absolutely accidental. 　　Economic Observer Yang/wen if you want to ask Lee Colling management career in the most difficult to forget the key events or experience, this more play Game network president will tell you, his insights from the Lee Colling lead: Lee Colling do client yy is absolutely accidental. Economic Observer Yang/wen if you want to ask Lee Colling management career in the most difficult to forget the key events or experience, this more play Game network president will tell you, his insights from yy (gathering time, N ...).

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall 2009, when the Watercress user scale enters the tens time, the watercress interior has experienced the most intense "the line dispute" in the history, the dispute finally ends in the agreement. 　　   　　However, no one realizes that the future form of watercress is thus inevitably set in the direction. Titanium Media Note: 2014 of Watercress Annual meeting, Watercress CEO North admits Watercress missed 3 years time. In the PC era, watercress was once a slow pace to win the joy of many people ...

Mayor Cheng (right) received an interview with Vice editor-in-chief of Wang Lin (left). 　　Nanfang Daily reporter Hu Guo by the Dongguan Economy and Information Technology Bureau, Nanfang Daily Dongguan office, South Daily official website South Network held jointly huo online "New Dongguan goods" selection of the network interview activities held yesterday, the South network to the activities of the whole live broadcast. Dongguan Mayor Cheng, the Southern Press media Group deputy editor-in-chief Wang Zhilin attended the event. 　　On the topic of "new Dongguan goods" and Dongguan e-commerce development, Wang Lin vice editor-in-chief of the scene interviewed the mayor of Cheng. Cheng and business representative, line ...