Tag：Structured
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What is the relationship between big data and cloud computing, and how does Hadoop get involved? Where is Nosql located and what does it have to do with BI?
What is the relationship between big data and cloud computing, how does Hadoop participate, where is Nosql, and what does it have to do with BI? The following text explains their relationship very clearly. When talking about big data, the first thing to talk about is the 4V characteristics of big data, that is, the […]
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3. Alibaba big data – data synchronization
Data collection: Log collection Data synchronization 1、 Data synchronization Data enters the data warehouse synchronously from the business system 1. source data type Structured data of relational database: MySQL, Oracle, DB2, SQL server, etc Unstructured data such as non relational databases: oceanbase, HBase, mongodb, etc Structured data or File Storage NAS of file system: object […]
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How does Hadoop handle data?
Good programmer big data training sharing how does Hadoop handle data? Hadoop is undoubtedly the first choice for many enterprises in the development of big data platforms. Huawei, Alibaba, Tencent in China and Facebook and Amazon in foreign countries all develop their own big data platforms based on Hadoop, which also shows that Hadoop is […]
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[practice] data interaction between Greenplum platform extension framework PXF and Hadoop
This article turns to palm digital technology IInteraction with Hadoop HDFS 01 what is PXF PXF is the Greenplum platform extension framework (PXF), which provides access to external data through built-in connectors. As a parallel channel framework for data interaction between Greenplum and Hadoop cluster, PXF also supports user-defined development and extension in addition to […]
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Who is the Hadoop family of big data development
The overall architecture of Hadoop Hadoop is an architectural solution for big data. After years of development and evolution, Hadoop has become a huge system. The internal working mechanism of big data training is very complex. It is an overall architecture that combines distributed theory with specific engineering development. The simplest principle of Hadoop is […]
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Smartbi of smart smart software: three development stages of public security big data
Data architecture upgrade With the increase of the amount of data collection and the variety of data types, there areStructured data(such as population file data, hotel accommodation records, etc.), as well as semi-structured and unstructured data (such as surveillance video, bayonet photos, etc.), which poses a great challenge to the current public security information system. […]
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SEO optimization of vuepress blog (V) adding json-ld data
preface stay“A blog with vuepress + GitHub pages”In, we used vuepress to build a blog. The final effect is as follows:Typescript Chinese document。 This article talks about json-ld in SEO. JSON-LD If we open any article of nuggets, such as this oneVuepress blog Optimization: adding vssue comment function, looking at the DOM element, we can […]
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Guidelines for building data Lake — several core issues
1. What is a data lake? Data lake is a technical system that can analyze structured and unstructured data assets in large quantities and cheaply. In fact, it is very simple. The biggest charm of the data lake is that it can analyze all types of data. Since the term “data Lake” was first proposed […]
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Mongodb reading notes – big data
big data Big data is a term used to describe massive data with various structures and high-speed generation This kind of data challenges the traditional RDBMS (relational database management system) used to store and process data Big data paves the way for new ways to process and store dataIn this chapter, we will discuss the […]
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How to judge whether you have been interviewed for teacher qualification?
The teacher qualification interview in the first half of 2021 has entered the last half day. I believe everyone wants to know whether they have passed the exam. Now I’ll summarize it for you. If there are the following situations, you have a high probability of passing! First, the examiner has an obvious expression of […]
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How does data Lake analysis optimize object-oriented storage OSS?
Introduction:Best practices, taking DLA as an example. DLA is committed to helping customers build a low-cost, easy-to-use and elastic data platform, saving at least 50% of the cost compared with traditional Hadoop. Among them, DLA meta supports the unified view of 15 + data sources (OSS, HDFS, DB and DW) on the cloud, introduces multi […]
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What are the technical classifications involved in big data development
Big data trainingDevelopment itself is a phenomenon rather than a technology. Big data technology is a series of data processing technologies that use non-traditional tools to process a large number of structured, semi-structured and unstructured data, so as to obtain analysis and prediction results. The complete expression of the value of big data requires the […]