Double Precision Data Type

Over the past few years, the electrical business has grown into the main power of the Internet economy, and has been developing and upgrading, detonating one after another economic hotspot. 　　With the advent of the new Internet technology, what direction will the electric business be developing as the electric industry matures today? Yesterday, in Guangzhou, the first National Electric Professional exhibition-2014 (Guangzhou) International E-commerce Fair, gathered more than 300 exhibitors, including the only product will, Dream Bazaar and other local leaders, as well as the domestic large-scale electric business jingdong, Suning, 1th shop, Dangdang, etc., there are Amazon, ebay and other world-renowned electric business enterprises. ...

Either in the pitiful free database space or large e-commerce sites, reasonable design table structure, make full use of space is very necessary. This requires that we have a full understanding of the commonly used MySQL data types for database systems. Now I will write down my little experience to share with you. The numeric type of the MySQL data type The numeric type is divided into three categories according to my classification: integer classes, decimal classes, and numeric classes. My so-called "digital class" refers to DECIMAL and NUMERIC, which are the same type. It is strictly speaking not ...

In 2017, the double eleven refreshed the record again. The transaction created a peak of 325,000 pens/second and a peak payment of 256,000 pens/second. Such transactions and payment records will form a real-time order feed data stream, which will be imported into the active service system of the data operation platform.

Foreword 2012 years time "big data" the argument gradually appears in our vision, to 2013 years "The Big Data" became the hottest discussion topic, then what is the big data, the big data actually has what magic to let the person go hot to discuss? Let's look at the definition of large data: "Big Data", Or the vast amount of data, refers to the volume of data involved in the large scale to be unable to pass the current mainstream software tools, within a reasonable time to achieve capture, management, processing, and collation to help the business decision-making more positive purpose information. (In Victor Maire-...

Special Forum: Data and technology two-way drive electric business marketing development and News science and Technology 2012 Fourth annual effect of Integrated Marketing Forum held in Beijing December 18, the theme of this forum for both internal and external marketing broken Bureau, Dispatch as the exclusive financial media to this meeting for the whole report. The graph is the topic "Data + technology, two-way drive electric business marketing development" of the peak dialogue, the moderator for the site analysis in China founder Sing, CMO Xu, Tian Product Network CEO Bear, the public comments chief traffic Officer Lu Xin, 58 with the city Vice President Zhangkuang, Google ADX negative ...

The development of any new technology will undergo a process from the public to the final universal application. Large data technology as a new data processing technology, after nearly a decade of development, has just begun to be applied in various industries. But from the media and public view, the big data technology always has the mysterious color, appears to have the magical power which digs the wealth and forecasts the future. Widely circulated large data applications include the target supermarket based on the girl's shopping history to determine whether pregnancy, credit card companies based on the user in different time and space shopping behavior to predict the customer's next purchase behavior, and so on. Large Data Technology ...

Recently, I returned to attend some university seminars, government departments of the symposium and the training activities of enterprises, the theme is large data, nowadays, the major domestic newspapers and magazines are also discussing this hot topic, but I found that the Chinese society on the "big data" concept still some inaccurate understanding or even the concept of misunderstanding, In particular, the strategic significance of large data at the national level is underestimated and needs to be deepened. Small data to large data "big data" is a new wave of technology, but also gradually formed a historical phenomenon, its specific refers to the increase in the amount of information storage, the human in practice gradually recognized ...

Large data has penetrated into every industry and business functional area today, becoming an important production factor. The excavation and application of massive data indicates a new wave of productivity growth and consumer surplus. October 28, 2013, three Xinjiang terrorists driving a jeep to the Tiananmen Square, the terrorists were all burned on the spot, but the police spent only more than 10 hours to seize 5 associates. It's a state secret how quickly the police lock down suspects, but from the telltale signs of the media, we can still find ubiquitous surveillance video and telecom tracking ...

Baidu can know what we are concerned about, Taobao can insight into what we like, this is happy or worry? Large data has penetrated into every industry and business functional area today, becoming an important production factor. The excavation and application of massive data indicates a new wave of productivity growth and consumer surplus. October 28, 2013, three Xinjiang terrorists driving a jeep to the Tiananmen Square, the terrorists were all burned on the spot, but the police spent only more than 10 hours to seize 5 associates. How quickly the police lock the suspect, this is a state secret, but from the media disclosure ...

Big Data is an opportunity for change that everyone wants to seize. 　　Whether it is a giant or a small entrepreneurial team, all want to occupy a place in the early changes in this very change, the name, nuggets, seize the right to speak. As Xie, a well-known it commentator, says: "Big data can be an era, in many ways because it is a social movement that can be widely participated by all sectors of the community, eight-pronged attack, everywhere results, not just a handful of experts and scholars." Data generated in all walks of life, this change will also affect all walks of life, therefore, opportunities are also contained in all walks of life ...