Family Tree Database Design

Designing 1 applications doesn't seem to be difficult, but it's not easy to achieve the optimal performance of the system. There are many choices in development tools, database design, application structure, query design, interface selection, and so on, depending on the specific application requirements and the skills of the development team. This article takes SQL Server as an example, discusses the application performance optimization techniques from the perspective of the background database, and gives some useful suggestions. 1 database design to achieve optimal performance in a good SQL Server scenario, the key is to have 1 ...

The storage system is the core infrastructure of the IT environment in the data center, and it is the final carrier of data access. Storage in cloud computing, virtualization, large data and other related technologies have undergone a huge change, block storage, file storage, object storage support for a variety of data types of reading; Centralized storage is no longer the mainstream storage architecture of data center, storage access of massive data, need extensibility, 　　Highly scalable distributed storage architecture. In the new IT development process, data center construction has entered the era of cloud computing, enterprise IT storage environment can not be simple ...

The 2013 will soon be over, summarizing the major changes that have taken place in the year hbase. The most influential event is the release of HBase 0.96, which has been released in a modular format and provides many of the most compelling features. 　　These characteristics are mostly in yahoo!/facebook/Taobao/millet and other companies within the cluster run a long time, can be considered more stable available. 1. Compaction Optimization HBase compaction is a long-standing inquiry ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology lobby site is the key to its profit model, you have a good profit model other is not difficult. Essentials One: Determine the website theme to do the website, first must solve is the website content question, namely determines the website the topic. The US Personal computer Magazine (PC Magazine) ranked 10 of the top 100 U.S.-famous websites in 99: Category 1th: Online job Search, class 2nd: Online chat/Instant Messaging/ICQ, class 3rd: Online community/discussion/Mailing list ...

Intermediary transaction SEO troubleshooting Taobao guest owners buy Cloud host technology Lobby one: To determine the site theme to do the site, the first thing you must solve is the content of the site, that is, to determine the theme of the site. The US Personal computer Magazine (PC Magazine) ranked 10 of the top 100 U.S.-famous websites in the 99: Category 1th: Online job-hunting, class 2nd: Online chat/Instant Messaging/ICQ, class 3rd: Online Community/...

This article summed up the first half of 2013 years on the line or relatively high domestic outstanding start-up companies, content from the Tianya Sea Pavilion on the weekly Web2.0share weekly selection of domestic start-ups: Voice360 is through the phone horn to send audio signals (with 10K of silent Signal), And then use the microphone to receive decoding to achieve close range of data exchange of the Trans-era technology, voice360 SDK, can quickly integrate acoustic communication functions, to achieve close range of data exchange, authentication, file sharing. Link: htt ...

Tear down the border between the clouds and the giants of the cloud products "not in line with" The situation, Dropbox and the platform of the "hundred-lap" type of seamless experience to win the user a big bright spot. Author/Xu Zhibo editor/Willow in football, Bailey is always with a piece of the crow's mouth laughable, and now, Microsoft CEO Ballmer (Steven Ballmer) has become the IT industry Bailey, Kai-Fu Lee on Weibo for his summary said: "Ballmer has criticized android-- "Computer scientists will ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall when small, I have a simple dream, is to become like Bill Gates so big figure. Then think about it, this is a very complicated dream, first of all to have his ability, his family background, his kind of interpersonal relationship ... 　　So the dream has not begun to be broken. 　　Everyone has dreams and often breaks their own dreams. To participate in the work, but also in the fantasy of their dreams, such as the endless wealth, luxury and luxurious life, in fact, these in the sutra ...

First, the initial understanding of large data seems to be overnight, big data becomes one of the most fashionable words in the IT industry. First of all, big data is not a completely new thing, Google's search service is a typical large data use, according to customer demand, Google real-time from the global mass of digital assets (or digital garbage) ...

Go to Marketing 2.0 Times Editor's note: This is a "sales and market" to write a big article, should have more than 12,000 words. Although writing has been written more comprehensive, but still deeply inadequate, especially in how to find the crowd, how to carry out marketing plans, how to make full use of the wisdom of the masses, and so on, not how to write, please wait for my later articles. 　　I am not a person who likes too much theory, just marketing 2.0 can't do some work. Marketing 2.0 is not a ready-made tool to provide existing market competition, but a bar to the future market competition ...