Exam 5: Foundations of Business Intelligence: Databases and Information Management

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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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B

A data ________ stores current and historical data of potential interest to decision makers throughout the company.

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A

List at least two ways that a business's data can become redundant or inconsistent.

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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:

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An information policy specifies the procedures and rules for defining the structure and content of corporate databases.

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Both Oracle and Microsoft Access use SQL to retrieve information from the database.

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OLAP is a key tool of BI.

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A data warehouse may include information from legacy systems.

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Relational database systems use ________ to ensure that relationships between coupled tables remain consistent.

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Data mining is a tool for allowing users to:

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Predictive analysis is a technique of data mining.

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A data warehouse is typically comprised of several smaller data marts.

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A firm's information policy lays out who is responsible for updating and maintaining the information in a database system.

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The most prominent data manipulation language today is:

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The tool that enables users to view the same data in different ways using multiple dimensions is:

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A table that links two tables that have a many-to-many relationship is often called a(n):

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A DBMS makes the:

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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.

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Which of the following best illustrates the relationship between entities and attributes?

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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?

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