Exam 5: Foundations of Business Intelligence: Databases and Information Management
Exam 1: Business Information Systems in Your Career90 Questions
Exam 2: Global E-Business and Collaboration90 Questions
Exam 3: Achieving Competitive Advantage With Information Systems90 Questions
Exam 4: IT Infrastructure: Hardware and Software90 Questions
Exam 5: Foundations of Business Intelligence: Databases and Information Management90 Questions
Exam 6: Telecommunications, the Internet, and Wireless Technology90 Questions
Exam 7: Securing Information Systems90 Questions
Exam 8: Achieving Operational Excellence and Customer Intimacy: Enterprise Applications90 Questions
Exam 9: E-Commerce: Digital Markets,digital Goods90 Questions
Exam 10: Improving Decision Making and Managing Knowledge90 Questions
Exam 11: Building Information Systems and Managing Projects90 Questions
Exam 12: Ethical and Social Issues in Information Systems90 Questions
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The confusion created by ________ makes it difficult for companies to create customer relationship management,supply chain management,or enterprise systems that integrate data from different sources.
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(Multiple Choice)
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Correct Answer:
B
A data ________ stores current and historical data of potential interest to decision makers throughout the company.
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(Multiple Choice)
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Correct Answer:
A
List at least two ways that a business's data can become redundant or inconsistent.
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(Essay)
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Correct Answer:
Data redundancy and inconsistency can occur because of (1)employing different names and descriptions for the same entities or attributes;(2)multiple systems feeding a data warehouse (3)incorrect data entry
In a relational database,the three basic operations used to develop useful sets of data are:
(Multiple Choice)
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An information policy specifies the procedures and rules for defining the structure and content of corporate databases.
(True/False)
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Both Oracle and Microsoft Access use SQL to retrieve information from the database.
(True/False)
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Relational database systems use ________ to ensure that relationships between coupled tables remain consistent.
(Multiple Choice)
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A data warehouse is typically comprised of several smaller data marts.
(True/False)
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A firm's information policy lays out who is responsible for updating and maintaining the information in a database system.
(True/False)
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The tool that enables users to view the same data in different ways using multiple dimensions is:
(Multiple Choice)
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A table that links two tables that have a many-to-many relationship is often called a(n):
(Multiple Choice)
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Within a corporate information services department,the task of creating the physical database and its logical relations are responsibilities of the ________ function.
(Multiple Choice)
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Which of the following best illustrates the relationship between entities and attributes?
(Multiple Choice)
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You are working in the IT department of a small paper supply company and planning a new database that monitors employee benefits and productivity.What would be the relationship you need to establish between Employee_ID in the Employee table and Parking_spot_number in the Perks table?
(Multiple Choice)
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