Fast Databases

MongoDB is currently the best document-oriented free Open-source NoSQL database. If you are preparing to participate in a technical interview for the MongoDB NoSQL database, you might want to look at the following MongoDB NoSQL interview questions and answers. These MongoDB NoSQL interview questions cover the basic concepts of NoSQL databases, replication (Replication), fragmentation (Sharding), Transactions and locks, trace analysis Tools (Profiler), nuances, and logging features. Let's look at the following ...

Within a few years, the NoSQL database has focused attention on performance, scalability, flexible patterns, and analytical capabilities. 　　Although relational databases are still a good choice for some use cases, like structural data and applications that require acid transactions, NoSQL is more advantageous in the following use cases: The data stored is essentially semi-structured or loosely-structured. 　　Requires a certain level of performance and scalability. 　　The application to access the data is consistent with the final consistency. Non-relational databases typically support the following features: Flexible ...

Several years of work down, also used several kinds of database, accurate point is "database management system", relational database, there are nosql. Relational database: 1.MySQL: Open source, high performance, low cost, high reliability (these features tend to make him the preferred database for many companies and projects), for a large scale Web application, we are familiar with such as Wikipedia, Google, and Facebook are the use of MySQL. But the current Oracle takeover of MySQL may give us the prospect of using MySQL for free ...

Although the "editor's note" has been available for 9 years, the popularity of Mongodb,hamsterdb is still lacking, and it has been rated as a Non-mainstream database. Hamsterdb is an open source key value type database. However, unlike other Nosql,hamsterdb, which are single-threaded and not distributed, they are designed to be more like a column store database, while also supporting acid transactions at the Read-committed isolation level. Then compare Leveldb,hamsterdb will have any advantage, here we go ...

Oreste is a database http://www.aliyun.com/zixun/aggregation/13729.html ">web service gateway that provides a quick way to display a database of restful interfaces, There is no need to write code to build a SOAP request. It is run on the basis of Erlang, Mochiweb and Webmachine, featuring light, stable and fast. Oreste version 2.0 enhances usage performance: each data ...

In the "otaku artifact" of the fast-sowing security to spend a few spring and autumn, the rapid sowing in April 2014 suffered a catastrophe. In the fast-seeding initiative to shut down the QVOD server, clean up the vulgar and pirated content less than a week, a large number of police personnel suddenly into the fast-broadcast Shenzhen headquarters investigation, which is terrified of the fast-sowing staff. 　　And there are more rumours that the fast-seeding CTO, the vice president of operations and two technologies were taken away that day by the police. Before the incident, the Rapid broadcast CEO Wang has gone abroad, and insiders explain is a routine, Wang their first time is also used micro ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology Lobby website How important is the speed? At least, such as the current Google Baidu and other mainstream search engine, The speed of the site has been included in the quality assessment scope. From the user point of view, open the Fast Web site, reducing the waiting time for customers, naturally will undoubtedly get the user's favor. So increase the speed of the website loading, a certain degree ...

Absrtact: Recently, by the China Management Modernization Research Association, the same side knows the network (Beijing) technology Limited Company to host, the Ministry of Industry China Informatization Advancement Union will the power specialized committee and the China Energy newspaper co-organizer 2015 Big Data Environment enterprise strategic management and Knowledge Service summit in recent days, the China Management Modernization Research Association With the party Knowledge Network (Beijing) Technology Co., Ltd. sponsored by the Ministry of Industry, China informatization Promotion Alliance will Power and China Energy newspaper co-organizer of "2015 Big Data Environment enterprise strategic management and Knowledge Service Summit" held in Beijing International Conference Center, from Energy, transportation, communications ...

The current development of Hadoop, especially after the advent of Hadoop 2.0, HDFs and yarn Two systems have a number of significant features have been achieved, and thus promote the development of the upper computing system, including the emergence of Tez to make hive and pig have a greater performance improvement, 　　There are a variety of new frameworks based on yarn. May 20, 2014, CSDN work together chinahadoop small elephant community will build a distributed online storage system HBase, Data Warehouse hive, Hadoop in the telecommunications transport ...

Absrtact: Recently, by the China Management Modernization Research Association, the same side knows the network (Beijing) technology Limited Company to host, the Ministry of Industry China Informatization Advancement Union will the power specialized committee and the China Energy newspaper co-organizer 2015 Big Data Environment enterprise strategic management and Knowledge Service summit in recent days, the China Management Modernization Research Association With the party Knowledge Network (Beijing) Technology Co., Ltd. sponsored by the Ministry of Industry, China informatization Promotion Alliance will Power and China Energy newspaper co-organizer of the "2015 Big Data Environment enterprise strategic management and Knowledge Service Summit" held in Beijing International Conference Center, from Energy, transportation, access ...