Chap005

Chap005 - Chapter 05 - Data Resource Management Chapter 05...

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Chapter 05 - Data Resource Management Chapter 05 Data Resource Management True / False Questions 1. (p. 173) Variable-length records contain a variable number of fields with fixed field lengths. FALSE Variable-length records contain both a variable number of fields and variable field lengths. AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 4 2. (p. 173) When independent of any other files related to it, a single table is referred to as a compressed file. FALSE When independent of any other files related to it, a single table is referred to as a flat file . AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 4 3. (p. 204) Google recently made its desktop and paid-search products available to external developers. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Easy Learning Objective: 1 5-1
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Chapter 05 - Data Resource Management 4. (p. 204) The rise of open-source software has challenged the notion that those who invest in software development hold onto it for competitive advantage. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Easy Learning Objective: 1 5. (p. 173) Files are frequently classified by the application for which they are primarily used, such as a payroll file or an inventory file. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Easy Learning Objective: 1 6. (p. 174) A master file is an integrated collection of logically related data elements. FALSE A database is an integrated collection of logically related data elements. AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 4 7. (p. 174) Databases contain data elements that describe both entities and the relationships among entities. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 4 5-2
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Chapter 05 - Data Resource Management 8. (p. 176) Database management packages based on the relational model can link data elements from various tables to provide information to users. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 3 9. (p. 177) The project operation is used to create a subset of the columns contained in the temporary tables created by the select and join operations. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 3 10. (p. 177) A major benefit of multidimensional databases is that they are a compact and easy- to-understand way to visualize and manipulate data elements that have many interrelationships. TRUE AACSB: Technology Bloom: Knowledge Difficulty: Medium Learning Objective: 4 11. (p. 178) Multidimensional databases have become the least popular structure for analytical databases that support online analytical process (OLAP) applications, in which fast answers to complex queries are expected. FALSE
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Chap005 - Chapter 05 - Data Resource Management Chapter 05...

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