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CIS102Cha2_combined - Gabelli School of Business Roger...

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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley CIS102 Intro 21 st Century
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Overview What is a database? What are its components? What are the design decisions?
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Administrivia MSDNAA From: MSDNAA User Registration SubJ:Welcome to MSDN Academic Alliance: Online Software System …… > Your MSDNAA Online Software System can be found at: > http://msdn08.e-academy.com/rwu_cis > > Your username is : [email protected] > Your password is : rwuUWR > …..
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Administrivia II Assignments Via Blackboard In class Short Question Review prior to Performance Assessment
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley What is a database? A database is a structured collection of data. “Structured” means the data meet certain criteria and has an organization so that we can find answers to questions.
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Common Examples Dictionary How is it structured? Alphabetically How do we find a word? First letter position in alphabet Then check second letter and so on. Question to think about – how do Chinese alphabetize?
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Information Cycle A database is the key to the information cycle which transforms data into information that we use in decision making. Data Query Information Decision/Action
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Gabelli School of Business – Roger Williams University, Bristol RI 21st Century Chapter 2 McKenzie / Brickley Dictionary Example The principle principal of database design is separating the definition of the data from the data itself.”
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