What Is Data Warehouse

Facebook, a world-renowned social networking site, has more than 300 million active users, of which about 30 million users update their status at least once a day; users upload a total of more than 1 billion photos and 10 million videos a month; Week to share 1 billion content, including journals, links, news, Weibo and so on. Therefore, the amount of data that Facebook needs to store and process is huge. Everyday, 4TB of compressed data is added, 135TB of data is scanned, and more than 7,500 Hive tasks are performed on the cluster.

March 13, 2014, CSDN online training in the first phase of the "use of Sql-on-hadoop to build Internet Data Warehouse and Business intelligence System" successfully concluded, the trainer is from the United States network of Liang, 　　In the training, Liang shares the current business needs and solutions of data warehousing and business intelligence systems in the Internet domain, Sql-on-hadoop product principles, usage scenarios, architectures, advantages and disadvantages, and performance optimization. CSDN Online training is designed for the vast number of technical practitioners ready online real-time interactive technology training, inviting ...

With so much hype about big data, IT managers have a hard time knowing how to tap into the potential of big data.     Gartner points to five misconceptions about big data to help IT managers develop their information infrastructure strategy. Alexander Linden, Gartner research director, said: "Big Data offers great opportunities, but it also poses greater challenges." Massive amounts of data do not solve the problems inherent in the data. IT managers need to break all kinds of hype, according to the known ...

Apachehadoop helps companies cope with one of their toughest challenges-creating value with massive amounts of data. Users generally deploy the Hadoop framework because it helps businesses gain value from a wide variety of different types of large data. The "Forrester Wave: The Big Data Hadoop Solution" (2014 quarterly edition), published by Forresterresearch, an independent analysis agency, shows that Hadoop's Open-source architecture is increasingly adapting to the corporate environment, its frenzied development ...

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. Writing complex MapReduce programs in the Java programming language takes a lot of time, good resources and expertise, which is what most businesses don't have. 　　This is why building a database with tools such as Hive on Hadoop can be a powerful solution. Peter J Jamack is a ...

Today, "Bigdata" (large data) the advent of the era has been no doubt, especially in the telecommunications, financial and other industries, almost to the "data is the business itself". One of the more important trends in this is the socialization of data (socialization of 挟裹). From the blog forum to the gaming community to the microblog, from the Internet to the mobile internet to the IoT, the real-time networking of human beings and various physical entities has been and will continue to produce incalculable data. For the enterprises that always focus on the market, they ...

Today, the big four comprehensive BI providers IBM, SAP, Microsoft, Oracle are becoming the mainstream of the market, they are more willing to provide end-to-end integrated solutions, even provide the integration of BI functions of business software or management software, making the BI market looks more like the world of the four giants. 　　 　　Looking around, the specialized bi market is like the Cretaceous period after the drastic changes in the environment, only the SAS software of data Warehouse manufacturer Teradata and the previous end data mining analysis. Therefore, this year in Las Vegas held the Teradata Partners Conference, the only remaining ...

It can be said that big data is one of the hottest trends in the IT industry today, and it has spawned a new batch of technologies to deal with big data. And new technologies have brought the latest buzz words: acronyms, professional terms, and product names. Even the phrase "big data" itself makes a person dizzy. When many people hear "big data", they think it means "a lot of data", and the meaning of large data does not only involve the amount of data. Here are a few popular words that we think you should be familiar with, sorted alphabetically. AC ...

It's really tempting to get business on big Data technology, and Apache Hadoop makes the temptation more violent. Hadoop is a large scale scalable data storage platform that forms the foundation of most large data projects. Hadoop is powerful, but it requires the company to invest a lot of learning energy and other resources. If you get the right application, Hadoop can actually improve your company's business, but the application of this hadoop is fraught with thorns. On the other side, many businesses (not Google, of course) ...

It's really tempting to get business on big Data technology, and Apache Hadoop makes the temptation more violent. Hadoop is a large scale scalable data storage platform that forms the foundation of most large data projects. Hadoop is powerful, but it requires the company to invest a lot of learning energy and other resources. If you get the right application, Hadoop can actually improve your company's business, but the application of this hadoop is fraught with thorns. On the other side, many businesses (not Google, of course) ...

It can be said that big data is one of the hottest trends in the IT industry today, and it has spawned a new batch of technologies to deal with big data. And new technologies have brought the latest buzz words: acronyms, professional terms, and product names. Even the phrase "big data" itself makes a person dizzy. When many people hear "big data", they think it means "a lot of data", and the meaning of large data does not only involve the amount of data. Here are a few popular words that we think you should be familiar with, sorted alphabetically. ACID ...

At home, a lot of marketing people's knowledge of database marketing is very shallow level, simply think that database marketing is to use a database to do sales can, such as holding a group of customers to call, fax, send e-mail, send text messages, to pass the enterprise product information. In fact, this is the implementation of database marketing, is a database marketing extension. The Real database marketing project is actually a complex system of marketing activities, including, database planning, establishment, data analysis, data statistics, data Mining, data modeling ...

Teradata Corporation (Teradata Corporation, NYSE: TDC) recently announced the launch of the Teradata Unified Data Environment (TERADATA, unified data Environnement) and the Unified Data Architecture (Unified). Teradata Unified Data Environment is a framework that can help enterprises to deal with all types of data and a variety of teradata systems. Tere ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology two articles in front of the hall--analysis premise-Data quality 1 and premise of analysis-data quality 2 The statistic information of data profiling is introduced, and the data auditing is used to evaluate whether it is stored In quality issues, the quality of the data can be reviewed through three aspects of completeness, accuracy and consistency. This article introduces the last piece-data correction

Cady Wang (Wang Nanan) you want to know big data, but don't know the jerky terminology? Do you want to know the market and application of large data, but there are no good cases and explanations? 　　Don't worry, this little book from the Wikibon community wants to help you. 　　Yes, this is a small book rather than an article, because it is detailed and meticulous to let you from a completely do not understand the large data technology and related applications of the layman to become a familiar with its concept and meaning of the "inner pedestrian", so it is great! Translator Cady Wang Nanan spent a lot of effort to translate this small book, insufficient ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall with the rise of China's economy, enterprises in the international integration with the continuous innovation and the introduction of advanced management concepts and business model. Database marketing has been repeatedly mentioned in recent years. Especially in the Internet age, this kind of active marketing method is to be praised by many modern enterprises. However, what is the database marketing of the definition of database marketing, is a opinions. 　　How to do, how to do a good job in database marketing, is recount. First, we must understand what is the database battalion sales. We give ...

There are two main ways to store data: Database and filesystem, and the object-oriented storage are developed behind, but the overall thing is to store both structured and unstructured data. DB is initially serviced for structured data storage and sharing. FileSystem storage and sharing is large files, unstructured data, such as pictures, documents, audio and video. With the increase in data volume, stand-alone storage can not meet the needs of structured and unstructured data, then in the era of cloud computing, there is a distributed ...

"IT168 Information" March 12, 2013, IBM held 2013 large data press conferences in Beijing, fully demonstrating its unparalleled industry advantages in large data areas: from the industry's unique large data platform to the world's top large data analysis technology, from large data strategies to large data landing solutions, From a large data strategy for the enterprise consulting to IBM in the global and Chinese markets in different industries, large data practices, ...

As can be seen from IBM's large data platform framework and application solutions, large data platforms include 4 components: information integration and governance component, core processing platform for large data (including Biginsights platform, streaming computing platform, data Warehouse based on the framework of open source Apache Hadoop) , contextual search, four parts), accelerators, and high-level applications that include visualization and discovery, application development, and system management. IBM Software Group Greater China Information management software general Manager Lu Weihuan IBM Software Group Greater China Area information management software ...

Facebook, the world's leading social networking site, has more than 300 million active users, with about 30 million users updating their status at least once a month, with users uploading more than 1 billion photos and 10 million videos a week, and sharing 1 billion weekly content, including logs, links, news, tweets, etc. So the amount of data that Facebook needs to store and process is huge, adding 4TB of compressed data every day, scanning 135TB size data, performing hive tasks on the cluster more than 7,500 times per hour, and 80,000 times a week.