Exam 8: Big Data, data Warehouses, and Business Intelligence Systems

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To format an Excel 2013 PivotTable report,we use the ________ command tab.

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To control the placement of columns and rows in an Excel 2013 PivotTable,we use the ________.

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Which of the following is true about data mining applications?

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A variant of the star schema is the ________.

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Problematic data include so-called "dirty data."

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Business Intelligence (BI)reporting systems can analyze data using standard SQL.

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NoSQL really stands for "Not only SQL."

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A Business Intelligence (BI)reporting system that uses extensions to SQL is:

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A(n)________ is an information system that helps users analyze and use data.

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The term drill down means the user wants to:

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Data warehouse data is often stored in a(n)________.

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Business Intelligence (BI)reporting systems are used to filter data,sort data,group data and make simple calculations based on the data.

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Objects have ________,which are computer programs that perform some task.

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In the MapReduce process,the Reduce step is followed by the Map step.

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Hadoop is a(n):

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Business Intelligence (BI)systems support operational activities.

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Data warehouses are populated with data prepared by Extract,Transform,and Load (ETL)systems.

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Apache Cassandra is an example of a(n)________ non-relational DBMS.

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A data warehouse database differs from an operational database because:

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OLAP stands for:

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