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Welcome to the Requirements as the Driving Force for Data warehousing MCQs Page

Dive deep into the fascinating world of Requirements as the Driving Force for Data warehousing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Requirements as the Driving Force for Data warehousing, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Requirements as the Driving Force for Data warehousing, 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 Requirements as the Driving Force for Data warehousing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

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Q51.
What determines the strengths in the areas of data loading, recovery, and restart in a DBMS?
Discuss
Answer: (a).The frequency of data loads Explanation:The data volumes and load frequencies determine the strengths in the areas of data loading, recovery, and restart in a DBMS.
Discuss
Answer: (c).The growth estimates in the number of users and complexity of queries Explanation:The growth estimates in the number of users and the complexity of queries will have a direct relation to how the selected DBMS supports scalability.
Discuss
Answer: (d).The answers to questions about storage size based on business requirements Explanation:The type and size of the storage medium for a data warehouse are primarily impacted by the answers to questions about storage size based on business requirements.
Discuss
Answer: (b).Data structures for each business subject and data transformations Explanation:To determine storage sizes for the data staging area, you should estimate data structures for each business subject and consider data transformations.
Discuss
Answer: (b).List the various attributes and estimate their field lengths for each business subject Explanation:To estimate storage size for the overall corporate data warehouse, you should list the various attributes, estimate their field lengths, and calculate storage needed for each business subject.
Discuss
Answer: (a).Details of business dimensions and business measures Explanation:To estimate storage size for multidimensional databases that support OLAP, you should use the details of business dimensions and business measures.
Q57.
In the requirements definition phase, what is the primary source of information for estimating storage sizes in a data warehouse?
Discuss
Answer: (c).Business requirements Explanation:In the requirements definition phase, the primary source of information for estimating storage sizes in a data warehouse is business requirements.
Discuss
Answer: (d).The sizes of the source system data structures for each business subject Explanation:To calculate storage estimates for the data staging area, you need the sizes of the source system data structures for each business subject.
Discuss
Answer: (c).To provide strategic information to users Explanation:The primary reason for the existence of a data warehouse is to provide strategic information to users.
Discuss
Answer: (d).It affects the focus and features of the information delivery component. Explanation:The composition of the user community can impact the focus and features of the information delivery component in a data warehouse.
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