Database Search And Replace

It was easy to choose a database two or three years ago. Well-funded companies will choose Oracle databases, and companies that use Microsoft products are usually SQL Server, while budget-less companies will choose MySQL. Now, however, the situation is much different. In the last two or three years, many companies have launched their own Open-source projects to store information. In many cases, these projects discard traditional relational database guidelines. Many people refer to these items as NoSQL, the abbreviation for "not only SQL." Although some NoSQL number ...

Intermediary transaction SEO diagnose Taobao guest Cloud host technology Lobby database optimization is a very complex task, because it ultimately requires a good understanding of system optimization. 　　Even though the system or application system does not know much about the optimization effect is good, but if you want to optimize the effect of better, then you need to know more about it. 1, the optimization of the system to run faster the most important factor is the basic design of the database. 　　And you have to be aware of what your system is going to do, and the bottlenecks that exist. The most common system bottlenecks are as follows: ...

Over the past few years, NoSQL database with its easy to expand, high-performance, high availability, data model flexibility and other features attracted a large number of emerging internet companies, including the domestic Taobao, Sina, Jingdong Mall, 360, Sogou, etc. have been in the local attempt to NoSQL solutions. Guangzhou giant FIR Database is a focus on the new NoSQL distributed database research and development of the start-up company, has now won the first round of angel investment, the core product is sequoiadb. The founding team members of the giant FIR database are from IBM North America Laboratories, and have long been engaged in the relational database D ...

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The document database of NoSQL database technical characteristics Today's cloud computing practitioners are not unfamiliar with the term nosql, though many technicians have long been working on relational databases, but now they are looking forward to nosql technology. The transition from relational to NoSQL databases is definitely a big change to be considered for businesses. This involves not only the changes in software, but also the conceptual changes in data storage. Most non-relational databases have fast and scalable features. By discarding relational storage models and schemas, relationships ...

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Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall K.K in the documentary "Google and the World Brain," he said at the beginning of the Google venture, he asked Larry Page, now has a good performance search engine, why do one? ' Instead of developing a new search engine, we're going to do artificial intelligence, ' Larry page explains. Search engine is our active consciousness and the internet world the most important connection way, and in the long-term data accumulation, save ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall Summary: analyzes the search engine and the intelligent Agent technology principle, discusses both to present and the future network information retrieval important significance. (key words) Intelligent Agent Search engine intelligent Information retrieval the rapid development and maturation of Internet in the world, prompting the rapid expansion of information in all areas of society, providing a rich source of information for people to find and obtain useful information, but also put forward the accurate positioning of information challenges. It is one of the important contents of network information service to provide retrieval of online resources.