Nosql Join Operation

"IT168" I have always felt that nosql in fact very easy to understand, I have also had a very in-depth study of NoSQL, but in the recent preparation of yuntable chart, found that NoSQL not only very profound, 　　And my personal understanding of NoSQL is only superficial, but I am still a "shame and then Yong" people, so after a period of study, from the sixth part of this series, will talk to you nosql, and this article will be the main to do a NoSQL database review. ...

NoSQL: How developers respond to big data release time: 2012.04.16 14:15 Source: Developer Author: Developer Current Large data is the hottest trend in the field of High-performance computing. Large data processing is characterized by: we need real-time collection, analysis, transmission of massive information, data set to PB or even ZB (1 million PB) as a unit, the large number of developers to bring new challenges, talked about large data, on ...

NoSQL systems generally advertise a feature that is good performance and then why? relational database has developed for so many years, various optimization work has been done very deep, nosql system is generally absorbing relational database technology, and then, in the end what is the constraints on the performance of relational database? We look at this problem from the perspective of http://www.aliyun.com/zixun/aggregation/9344.html "> System design." 1, index support. Relational data ...

Type selection and design of bigtable NoSQL database release time: 2012.04.16 14:20 Source: Blog Author: Blog This paper introduces the selection strategy and schema design principle of Bigtable/hbase type NoSQL database system. Data scale BigTable Class database system (Hbase,cassandra, etc.) is to solve ...

Introduction with the advent of the cloud computing era, various types of Internet applications are emerging, the relevant data model, distributed architecture, data storage and other database related technical indicators also put forward new requirements. Although the traditional relational database has occupied the unshakable position in the data storage, but because of its inherent limitation, has been unable to satisfy the cloud computing age to the data expansion, reads and writes the speed, the support capacity as well as the construction and the operation cost request. The era of cloud computing has put forward a new demand for database technology, which is mainly manifested in the following aspects. Mass data processing: to ...

Intermediary transaction SEO diagnosis Taobao Guest Cloud mainframe technology hall with the advent of the 11 long holiday, everyone to the Ministry of Railways 12306 of the discussion again. This article (original) from 12306 website extension to the site performance of a lot of discussion, for entrepreneurs and technology enthusiasts have a strong reference. 　　The author Chenhao (Weibo) has 14 years of experience in software development, 8 years of project and team management experience. 12306.cn website Hung, was scolded by the people all over the country. I've been here for two days.

From September 2013 to November, the total output of seven major milestones, including: Big Cloud 2.5 official release, co-organized CCF first big Data contest, NoSQL through acceptance, Jiangxi Comprehensive query storehouse on-line, Fujian Big Data Center launches, the BCH community starts the operation and the public cloud test commercial launches the integration and so on. Outcome 1: Big Cloud 2.5 official release L results Description December 4, 2013, the mobile Internet Conference officially released a large cloud products 2.5 version. Bill presided over the release ceremony, the Ministry of Communications Institute Yu Xiaohui chief engineer to do ...

MongoDB company formerly known as 10gen, founded in 2007, in 2013 received a sum of 231 million U.S. dollars in financing, the company's market value has been increased to 1 billion U.S. dollar level, this height is well-known open source company Red Hat (founded in 1993) 20 's struggle results. High-performance, easy to expand has been the foothold of the MongoDB, while the specification of documents and interfaces to make it more popular with users, this point from the analysis of the results of Db-engines's score is not difficult to see-just 1 years, MongoDB finished the 7th ...

"Editor's note" reproduced from Che Yun Net, author army. This paper will describe the business model and the way of mining data from the angle of large data. OBD car networking in accordance with the "sell XX" to the business model, there are three kinds of things to sell: equipment, services, data. Sell equipment: Sell the OBD equipment to the network operator. OBD equipment must contain OBD module, communication module is Bluetooth or GSM, positioning module can choose GSM Base station positioning, or GPS, and some manufacturers of equipment including G-sensor. Sell Service: ...

"Editor's note" reproduced from Che Yun Net, author army. This paper will describe the business model and the way of mining data from the angle of large data. OBD car networking in accordance with the "sell XX" to the business model, there are three kinds of things to sell: equipment, services, data. Sell equipment: Sell the OBD equipment to the network operator. OBD equipment must contain OBD module, communication module is Bluetooth or GSM, positioning module can choose GSM Base station positioning, or GPS, and some manufacturers of equipment including G-sensor. Sell Service: ...