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Unformatted text preview: Correct * Solution* Correct Response Section E :` Big data refers to huge collections of data that are difficult to process , analyze , and manage using conventional data tools . It is a core component of the 3 rd platform , which also includes cloud computing , mobile \devices , and social networking . The five VS of big data are high volume , high velocity* 6 diversified variety , unknown veracity , and low - density* \value . Although SQL , and relational databases can be used for big datasets , a collection of alternative tools referred to as NOSQL \has become popular . These tools work well when databases scale out\ \( horizontally ) and when databases are broken into subsets called* shards \. Modern database tools also handle\ dynamic* \scaling as devices are added when additional capacity is required . NOSQL tools are sometimes said to create| schema- less\ databases , but they usually have some type of structure , though it may be more flexible than the relational model . A key - value* \data model provides each data element with a key . A ( n )| column -oriented data model makes it easy to access data stored in similar fields , rather than in individual records .* I'wo very popular NoSQL tools include\ Hadoop\ ` which is a big data file system , and\ Map Reduce* which sends processing logic to the data , rather than bringing* the data to the computer that performs the processing ....
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  • Spring '17
  • Relational model, Relational Databases

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