Database Planning Design And Administration

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Build a reliable online booking system for train tickets

Yesterday, January 11, 2012, users @fenng wrote an article criticizing the Ministry of Railways online booking system tickets, http://www.12306.cn [1]. At the same time in Sina sent a fiery microblogging, "to your mother's high-speed processing of massive affairs system", aroused hot [2]. Spring Festival approaching, we can not buy the ticket, catch up with the reunion of his family thirty, anxious mood can be understood. However, open the table scolded, only to vent their emotions, can not solve the practical problems. Developing a booking system is not difficult, difficult to deal with ...

On cloud computing and intelligent City construction

First, the preface: Cloud Computing is a web-based service supply model that supports heterogeneous facilities and resource flows, which provides the customer with a self-governing service.   Cloud computing supports heterogeneous infrastructure resources and heterogeneous multitasking system, which can realize the resource on demand, according to the amount of charge, to achieve the target on demand, and ultimately to promote the scale of resources, the specialization of division of labor, to reduce unit resource costs, promote network business innovation. Intelligent City Intelligent City is a complex composed of many applications, many industries and complicated systems. ...

Cloud Computing's wisdom and livelihood

The introduction of the word "People's livelihood" first appeared in the "Zuo Xuangang 12 Years", the so-called "People's livelihood in the Qin, Qin is not." "The people here" is the meaning of the people. The interpretation of "People's livelihood" in "Cihai" is "the livelihood of peoples". Medical and health informatization relationship between the nation and the nation, and the difficulty of seeing a doctor, a doctor may drag down a middle income happy family. Now, regional medical informatization is becoming an effective way to solve this problem. Regional medical informatization is an important content in the process of informatization of the whole medical industry, and it also directly affects the process of medical informatization, in certain ...

"Internet Retailing"--Chapter III e-commerce and network retailing

Chapter III e-commerce and network retailing the emergence and development of e-commerce since the 1990s, mankind has gradually created a new and powerful productivity-electronic commerce. It is changing people for thousands of years to form the traditional concept of business activities and operating methods, it directly affects business activities, indirect role in all aspects of the economy, triggering the human society after the Agricultural Revolution, the Industrial Revolution after the third revolution. First, the emergence and development of E-commerce E-commerce is an evolving concept, the pioneer of E-commerce in 1996, IBM introduced the ele ...

Power system deployment solution in virtualized environments

With the rapid development of IT technology, the virtualization technology is becoming more and more mature, and more and more enterprises are starting to deploy the virtualization platform because of its obvious advantages in the capital saving and it efficiency. The number of LPARs in a virtualized platform increases as the business grows, and rapid deployment of the operating system becomes a must. The general deployment of an AIX operating system takes about 50 minutes and requires more human involvement, and takes up a lot of time and effort from the administrator. To improve the deployment speed and flexibility of the system, this article will focus on the existing IBM power V ...

Those days that moved me to tears

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall author in Victoria Harbour early morning, the sun shines on the beautiful campus of the University of Bath, with its pale green lawn, dark oak trees, the old Brown School building, and the orange-yellow cobblestone trails all shrouded in golden light. Looking around, no matter where you lock your sights, it makes a wonderful medieval oil painting. Known as the "southern Harvard" University is the most famous university in the south of the United States, not only beautiful campus, but also has more than 100 ...

The PM2.5 on the clouds

Absrtact: With the rapid take-off of China's economy, the development of environmental pollution problems intensified, haze in all regions raging, PM2.5 index frequent "explosion", the daily life of the people caused great trouble, aroused public opinion's strong concern. The Government attaches great importance to and put PM2.5 monitoring work in the focus of environmental protection work. Cloud creates storage independent innovation PM2.5 cloud monitoring platform breaks the traditional research and development way, utilizes the innovative design idea, causes the environmental protection and the cloud computing high-end technology organic combination, the structure massive monitoring data storage, the processing platform, may reflect each region's air quality microcosmic, for the public ...

The Secret of Millet 1: flat and the truth of fan marketing

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technical Hall chief editor-in-chief: The gold wrong knife lei again to fall the handset. August 19, 2011, in a Beijing Garage coffee Forum, in the face of netizens "domestic shanzhai goods," The question, Lei took out the mobile phone, publicly demonstrated the fall of the mobile phone. Another two Millet co-founder Li Vanchang, Zhou Guanping sitting beside, is gripped. "The first two slam mobile phone is in the Millet conference on the stage, paved the carpet, one is Lei sit demo." But this time, the garage coffee can be the marble ...

The development background and significance of large data

In recent years, with the rapid development and popularization of computer and information technology, the scale of industry application system expands rapidly, and the data produced by industry application is exploding. With hundreds of TB or even dozens of to hundreds of petabytes of industry/enterprise data that is far beyond the existing traditional computing and information systems processing capabilities, the search for effective data-processing technologies, methods and means has become an urgent demand in the real world. Baidu's current total data volume has more than 1000PB, the daily need to deal with the Web page data to achieve 10PB~100PB, Taobao cumulative ...

Guangzhou "gridding" encounter problems

With the "gridding" fully open, Guangzhou city will arrange 20,000 grid staff to take "sweep the floor" and other practices on the grid some of the people, places, things, things, organizations and other information to be re-collected . In the face of this huge body of work, some grid members feel pressured. In fact, the collection of population information by public security departments, family planning departments and other government departments has long been going on and is quite complete. Since the data are not fully shared, the grassroots governments at the district, street and community levels have to "get on the go." For a long time, this "information island" has been criticized, is considered to be "one of the root causes of the phenomenon". Such as...

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