Recent Databases

SaaS is generally considered to be a provider for the enterprise to build the information required for all network infrastructure and software, hardware operating platform, and responsible for all the implementation of the prophase, the maintenance of the latter series of services, enterprises do not need to buy hardware and software, building rooms, recruiting IT staff, can use the Internet Information systems 　　Just like opening a tap to water, an enterprise leases software services from a SaaS provider, depending on the actual needs. At present, many multinational information technology industry companies in the world are developing SaaS based products and services to provide a technology platform for the future development of the Internet.

Graphic database is a kind of non relational database, it applies graph theory to store the relation information between entities. The most common example is the http://www.aliyun.com/zixun/aggregation/7518.html "> Relationship between people" in social networks. Relational databases are not good for storing "relational" data, their queries are complex, slow, and beyond expectations, and the unique design of a graphics database compensates for this flaw. Google's graphics computing system named PR ...

Sweep 18 Major databases: 12 species of sql+6 nosql remember that two or three years ago there were only a few cloud platform vendors to choose from, it seems that there is not much cloud database in the market. But after the cloud boomed, the cloud database also appeared to be springing up. And what is really reliable and easy to use, for users, and bad analysis. So, this paper analyzes the usability and application direction of 18 kinds of databases (note that the Management database service is not the database instance that still requires user management and implementation). There are still deficiencies, I hope to hear more ...

Beijing Time September 9 News, according to foreign media reports, in recent years, the technical storm began to scrape into the consumer market, influence once stronger than once. By remembering the personal computers of the 80 's, the Internet of the 90, and the development of smartphones in the last 5 years, you can feel how the power of technology affects our lives deeply. Another technology development trend is that computing power is becoming more and more powerful. Many researchers and entrepreneurs believe that more intelligent devices and software will be able to accomplish more tasks based on automation, helping to make more rational business, scientific and government decisions ...

For each brand server, to provide users with not only the hardware products, but a complete set of solutions. For example, in addition to the server itself, the supporting management tools should also be concerned about the place, good management tools can really let the operation and maintenance personnel from the heavy Labor liberation, but also easy to troubleshoot the server and day-to-day maintenance, reduce the offline time. 　　At present, several mainstream brands of rack-type servers provide a relatively good management tools, this time to take stock of recent hot products. Dell PowerEdge r420:14900 $ dell ...

"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. ...

In recent years, with the development of science and technology, business expansion, more and more enterprises feel losing control of the data. As one of the important core components of IT system, the database carries important information data. The data form multiplication, the data capacity growth rate is also very astonishing, lets the enterprise's data environment almost cannot bear. At the same time, the day-to-day backup, optimization, expansion, and high availability working hours of the DBA (database administrator) are cyclical, as data maintenance management becomes increasingly onerous. How can we solve the above problems? With cloud computing technology ...

When it comes to "big data", the first thing people think about is all kinds of social media, telecoms and other technology companies, but another industry that involves intensive user data is retailing. In this rather traditional industry, "big Data" is mixed with risk and profit. 　　Retail giants are prone to buying data or credit card data for millions or even millions of consumers, but they are riddled with data security management, and profit from selling the data, and because of current accounting standards, are not available to potential investors. Hackers love the supermarket hackers in addition to like attacking various ...

Naresh Kumar is a software engineer and enthusiastic blogger, passionate and interested in programming and new things. 　　Recently, Naresh wrote a blog, the open source world's two most common database MySQL and PostgreSQL characteristics of the detailed analysis and comparison. If you're going to choose a free, open source database for your project, you may be hesitant between MySQL and PostgreSQL. MySQL and PostgreSQL are free, open source, powerful, and feature-rich databases ...

Forbes: hadoop--Big Data tools you have to understand now Apache Hadoop has become the driving force behind the development of the big data industry. Techniques such as hive and pig are often mentioned, but they all have functions and why they need strange names (such as Oozie,zookeeper, Flume). Hadoop has brought in cheap processing of large data (large data volumes are usually 10-100GB or more, with a variety of data types, including structured, unstructured, etc.) capabilities. But this is the same as before ...