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Welcome to the OLAP in the Data Warehouse MCQs Page

Dive deep into the fascinating world of OLAP in the Data Warehouse with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of OLAP in the Data Warehouse, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of OLAP in the Data Warehouse, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Warehousing and OLAP.

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Check out the MCQs below to embark on an enriching journey through OLAP in the Data Warehouse. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of OLAP in the Data Warehouse. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

OLAP in the Data Warehouse MCQs | Page 6 of 13

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Answer: (d).Capabilities for moving to lower or higher hierarchical levels of aggregation Explanation:Drill-down and roll-up capabilities in OLAP systems refer to moving to lower or higher hierarchical levels of aggregation.
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Answer: (d).Slicing through the cube to display a two-dimensional plane Explanation:In OLAP systems, the term "Slice and Dice" refers to slicing through the cube to display a two-dimensional plane.
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Answer: (b).Users can look at page displays representing different versions of the slices in the cube. Explanation:The advantage for users is that they can look at page displays representing different versions of the slices in the cube by rotating it.
Q54.
What is one of the benefits of OLAP systems for business managers, executives, and analysts?
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Answer: (c).Increased productivity Explanation:One of the benefits of OLAP systems for business managers, executives, and analysts is increased productivity.
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Answer: (c).Faster delivery of applications Explanation:A benefit for IT developers in OLAP systems is faster delivery of applications.
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Answer: (b).Users may be self-sufficient in running their own analysis without IT assistance. Explanation:The advantage of the inherent flexibility of OLAP systems is that users may be self-sufficient in running their own analysis without IT assistance.
Q57.
What is the benefit of OLAP models being able to model real-world challenges with business metrics and dimensions?
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Answer: (c).Users may be self-sufficient in running their own analysis without IT assistance. Explanation:The benefit of OLAP models being able to model real-world challenges is that users may be self-sufficient in running their own analysis without IT assistance.
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Answer: (b).Relational Online Analytical Processing Explanation:ROLAP stands for Relational Online Analytical Processing.
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Answer: (a).Multidimensional Online Analytical Processing Explanation:MOLAP stands for Multidimensional Online Analytical Processing.
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Answer: (b).Desktop Online Analytical Processing Explanation:DOLAP stands for Desktop Online Analytical Processing.

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