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Information Systems
Chapter 6
14
Business
Undergraduate 3
04/11/2010

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Cards

Term
Define Real-time information
Definition
immediate up-to-date information
Term
Define real-time system:
Definition
Provides real-time information in response to query requests
Term
What does a database do?
Definition
Maintains information about various types of objects, events, people, and places
Term
Define entity:
Definition
Person, place, thing, transaction, or event about which information is stored.
Term
Define Attributes
Definition
characteristics or properties of an entity
Term
Define Integration
Definition
Allows separate systems to communicate directly with each other
Term
Define Forward Integration
Definition
takes information entered into a given system and sends it automatically to all DOWNSTREAM systems and processes
Term
Define Backward integration
Definition
takes information entered into a given system and sends it automatically to all upstream systems and processes.
Term
Define Data warehouse:
Definition
A logical collection of information - gathered from many different operational databases - that supports business analysis and decision-making tasks
Term
What is the primary purpose of a data warehouse?
Definition
to aggregate information throughout an organization into a single repository for decision making purposes
Term
What is ETL?

Define it:
Definition
Extraction, transformation, loading.
Term
Define data mart
Definition
contains a subset of data warehouse information
Term
information cleansing or scrubbing
Definition
weeds out and fixes or discards inconsistent, incorrect, or incomplete information
Term
Define Data mining
Definition
The process of analyzing data to extract information not offered by the raw data alone
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