Exam 8: Big Data Data Warehouses and Business Intelligence Systems
Exam 1: Getting Started76 Questions
Exam 2: The Relational Model87 Questions
Exam 3: Structured Query Language96 Questions
Exam 4: Data Modeling and the Entity Relationship Model76 Questions
Exam 5: Database Design81 Questions
Exam 6: Database Administration76 Questions
Exam 7: Database Processing Applications82 Questions
Exam 8: Big Data Data Warehouses and Business Intelligence Systems99 Questions
Exam 9: Getting Started With Microsoft Sql Server 2014 Express Edition40 Questions
Exam 10: Getting Started With Oracle Database Express Edition 11g Release 243 Questions
Exam 11: Getting Started With Mysql 5.6 Community Server71 Questions
Exam 12: Sql Views SQL/PSM and Importing Data70 Questions
Exam 13: Getting Started in Systems Analysis and Design47 Questions
Exam 14: Getting Started With Microsoft Visio 201334 Questions
Exam 15: the Access Workbench section H Microsoft Access 2013 Switchboards17 Questions
Exam 16: Getting Started With Web Servers, Php, and the Net beans IDE35 Questions
Exam 17: Business Intelligence Systems98 Questions
Exam 18: Big Data77 Questions
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To create an OLAP report for an Access 2013 database,we can build a PivotTable in:
(Multiple Choice)
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The term ________ refers to the capability of seeing the data in smaller and smaller units.
(Short Answer)
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Big Data is the name given to the enormous datasets generated by Web 2.0 applications.
(True/False)
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Business Intelligence (BI)reporting systems can do which of the following operations?
(Multiple Choice)
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In the MapReduce process,the Reduce step is followed by the Map step.
(True/False)
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________ provides the ability to sum,count,average and perform other simple arithmetic operations on groups of data.
(Short Answer)
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Data Mining uses sophisticated statistical and mathematical techniques to perform what-if analyses,to make predictions,and to facilitate decision making.
(True/False)
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When distributed databases break the database into sections and store the sections on different servers,this is known as:
(Multiple Choice)
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Although Excel 2013 will create a PivotTable report using Access 2013 data,it does not have formatting tools that can be used with the report.
(True/False)
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When distributed databases create copies of the database on different servers,this is known as:
(Multiple Choice)
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Business Intelligence (BI)systems do which of the following?
(Multiple Choice)
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Business Intelligence (BI)systems fall into two broad categories: ________ and ________.
(Short Answer)
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To create an OLAP report for an Access 2013 database,use the PivotTable tool in Access 2013.
(True/False)
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To use the Access 2013 database in an Excel 2013 PivotTable,it is generally useful to:
(Multiple Choice)
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When creating an OLAP report based on Access 2013 data,it is often a good idea to create a(n)________ query to organize the data needed for the OLAP report.
(Short Answer)
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