In large organizations, a group of people manage and run a(n) _________, which i

Question

In large organizations, a group of people manage and run a(n) _________, which is a facility for managing an organization's BI data. Web server data warehouse OLAP cube neural network _________ includes a query language titled Pig. MapReduce Online analytical processing (OLAP) Hadoop RFM Analysis Which of the following is a characteristic of decision trees? They are a supervised data mining technique. Partial data or multiple variables cannot be used while using decision trees. They are used to select variables that are then used by other types of data mining tools. Special training is required to understand and implement them.

Explanation / Answer

Answer 42) b.data warehouse

Data warehousing allows a company or organization to create a consolidated view of its enterprise data, optimized for reporting and analysis. Basically, a data warehouse is an aggregated, sometimes summarized copy of transaction and non-transaction data specifically structured for dynamic queries and fast, efficient business analytics. - See more at: http://www.informationbuilders.com/data-warehousing#sthash.eBLIu6ad.dpuf

Answer 43) a. MapReduce

Pig can execute its Hadoop jobs in MapReduce,

Answer 44) a.They are supervised data mining technique.

They are supervised because the machine learning task of
inferring a function from labeled training data.

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