Mongodb Change Field Value

The traditional relational database has good performance and stability, at the same time, the historical test, many excellent database precipitation, such as MySQL. However, with the explosive growth of data volume and the increasing number of data types, many traditional relational database extensions have erupted. NoSQL database has emerged. However, different from the previous use of many NoSQL have their own limitations, which also led to the difficult entry. Here we share with you Shanghai Yan Technology and Technology Director Yan Lan Bowen - how to build efficient MongoDB cluster ...

With the rise of internet web2.0 websites, the relational database has become a very hot new field, the development of the non relational database products is very rapid. 　　But the traditional relational database in dealing with web2.0 website, especially the super large-scale and high concurrent SNS type web2.0 pure dynamic website already appeared to be powerless, has exposed many insurmountable problems, for example: 1, high configured--to the database higher concurrent reads and writes the demand WEB2.0 website to be based on user personalized information to generate real-time dynamic ...

The "SaaS Pioneer" series continues to present you as a pioneer in the domestic SaaS sector, and today's protagonist, Processon,processon, is a vertical mapping tool and community where users can not only feel a very powerful and useful professional mapping tool, can also easily find their own knowledge resources, inadvertently, may also find a lot of vertical areas of "Daniel" in the sharing of their work. In fact, ProcessOn is to do a cutting-edge, efficient mapping tool, of course, can also be simply understood as "cloud computing era, Microsoft V ...

On the evening of July 28, the "Data mining in the field of financial securities trading application Experience sharing", organized by the CTO Club of CSDN's senior technical Management headquarters, was held successfully at the Haidian Bridge Garage Café, the first line of the CTO Club's financial industry software Professional Committee since its inception. The event invited to Phoenix Senior technical manager Wang, and Rui Network CTO Gang Jianhua, Sohu Financial Division, senior engineer Zhaoschang, finance technical director Wu Yu and other guests, sharing in the securities trading market data analysis field involved in the experience and technology, and data mining ...

"Editor's note" The Hot market for SaaS investment has spawned a large number of startups, and many startups in the 2014 SaaS niche have received huge sums of money, which will provide them with strong support for future platforms, marketing and so on. Enterprise cloud applications, represented by SaaS, are changing the overall it landscape. SaaS services are popular with small and medium-sized enterprises because of their simplicity and ease of use, as well as various features and user-friendly SaaS applications, and for the performance of the SaaS industry, IT staff in all walks of life ...

The "SaaS Pioneer" series continues to present you as a pioneer in the domestic SaaS sector, and today's protagonist, Processon,processon, is a vertical mapping tool and community where users can not only feel a very powerful and useful professional mapping tool, can also easily find their own knowledge resources, inadvertently, may also find a lot of vertical areas of "Daniel" in the sharing of their work. In fact, ProcessOn is to do a cutting-edge, efficient mapping tool, of course, can also be simply understood as "cloud computing era, Microsoft V ...

With the development of the Internet, mobile Internet and IoT, no one can deny that we have actually ushered in a massive data era, data research company IDC expects 2011 total data will reach 1.8 trillion GB, the analysis of these massive data has become a very important and urgent demand. As an Internet data analysis company, we are "revolt" in the field of analysis of massive data. Over the years, with stringent business requirements and data pressures, we've tried almost every possible big data analysis method, and finally landed on the Hadoop platform ...

Guide: Mike Loukides is the vice president of the content strategy of O ' Reilly Media, and he is very interested in programming languages and UNIX system management, with system configured tuning and UNIX power Tools. In this article, Mike Loukides put forward his insightful insights into nosql and thought deeply about all aspects of modern database architecture. In a conversation last year, Basho, CTO of the company, Justin Sheehy, recognized ...

The http://www.aliyun.com/zixun/aggregation/3783.html > Harvard Business Review spent all of its September editions on Big Data, and focused on Hadoop. 　　The paper argues that large data scientists will become promising careers, and these big data scientists will also be experts advising companies on how to use large data technologies. Like many of the people who started startups and led the company, I often read the Harvard Business Review. I didn't ...

What is the operation of most small and medium-sized enterprises? Configuration services, coordinated on-line, service monitoring, data backup, there are unavoidable to do coolie to carry the machine?? If one day, all this no longer need people to do, what should you do? The change in operation Dimension is becoming more and more obvious as cloud computing lands. Recently, a friend to do yun-dimensional chat with me when feeling, said that feeling now the whole industry's hot spots in the development field, suddenly feel that there is no development in the field of operation and maintenance. Before that, I was in the garage open source group with white clean chat, they also coincide ...