Fastest Rdbms

The greatest fascination with large data is the new business value that comes from technical analysis and excavation. SQL on Hadoop is a critical direction. CSDN Cloud specifically invited Liang to write this article, to the 7 of the latest technology to do in-depth elaboration. The article is longer, but I believe there must be a harvest. December 5, 2013-6th, "application-driven architecture and technology" as the theme of the seventh session of China Large Data technology conference (DA data Marvell Conference 2013,BDTC 2013) before the meeting, ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

Transparency Harsh research (transparency http://www.aliyun.com/zixun/aggregation/10242.html "> Market Study") The latest release of the report Large Data market: 2012-2018 Global situation, development trend, industry analysis, scale, share and forecast show that the global data market value of 6.3 billion U.S. dollars last year, the output is expected to reach $483 billion in 2018, will grow nearly 7 times times. This period is large ...

Hadoop is a magical creation, but it develops too quickly and shows some flaws. I love elephants and elephants love me. But there is nothing perfect in this world, and sometimes even good friends clash. Just like the struggle between me and Hadoop. Here are 12 pain points I've listed. 1. Pig vs. Hive You can't use Hive UDFS in Pig. In the Pig ...

NoSQL has been in vogue for a long time, so what exactly is the scene you need to use these "emerging things", such as http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb?" Here are some summaries: you expect a higher write load by default, compare transaction security, MongoDB more attention to high insertion speed. If you need to load a lot of low-value business data, then MONGO ...

Whether the cloud-computing tide has receded for the time being, and the latest survey by Gartner, a research institute, shows that the cloud computing sector will keep growing, and growth will slow, after all, cloud computing has been a lot of trouble. Now, a new concept that is not clearly defined as cloud computing is increasingly popular-"big data". And big data has begun to change the IT landscape, according to Gartner data, only 2012 years of large data to drive the world's 28 billion of dollars in IT spending, 2013-led IT spending scale is expected to enter ...

Cloud computing has receded for the time being, and the latest survey by Gartner, a renowned research institute, shows that the cloud computing sector will keep growing, and that growth will slow, after all, cloud computing has been a lot of trouble. Now, a new concept that is not clearly defined as cloud computing is increasingly popular-"big data". And big data has begun to change the IT landscape, according to Gartner data, only 2012 years of large data to drive the global 28 billion U.S. dollars in IT spending, 2013 led to the scale of IT spending is expected to increase further ...

Cloud computing has receded for the time being, and the latest survey by Gartner, a renowned research institute, shows that the cloud computing sector will keep growing, and that growth will slow, after all, cloud computing has been a lot of trouble. Now, a new concept that is not clearly defined as cloud computing is increasingly popular-"big data". And big data has begun to change the IT landscape, according to Gartner data, only 2012 years of large data to drive the global 28 billion U.S. dollars in IT spending, 2013 led to the scale of IT spending is expected to increase further ...

Chapter author Andrew C. Oliver is a professional software advisor and president and founder of the Open Software re-programme of North Carolina State Dalem data consulting firm. 　　Using Hadoop for a long time, he found that 12 things really affected the ease of use of Hadoop. Hadoop is a magical creation, but it develops too quickly and shows some flaws. I love elephants and elephants love me. But there is nothing perfect in this world, sometimes even good friends ...

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall the article before--the website data analysis Some questions 2 mainly collates the bi related question, this article mainly wants to organize some data warehouse related question. Because I recently looked back at some data warehouse information and books, want to put forward as well as the current problems to come up (blog about data Warehouse related content Please refer to the website Data Warehouse this directory), at the same time they also have the knowledge of the data warehouse under the reorganization and understanding, and for a long time ...