Chapter 5 Notes - Chapter 5 Click to edit Master subtitle...

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Click to edit Master subtitle style Data Resource Management Chapter 5
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Learning Objectives l Data resource management processes and technologies in an organization l Managing the data resources of a business l Database management software l Provide examples To understand how computer hardware, software, data, and communication networks interact with the business process .
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Logical Data Elements (Text Page 173)
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Logical Data Elements Field Record File/Table Database (Text Page 173)
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Common Database Structures: Hierarchical (Text Page 175)
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Common Database Structures: Network (Text Page 179)
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Common Database Structures: Relational Most widely used structure (Text Page 176)
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Multidimensional Model (Text Page 177)
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Evaluation of Database Structures Hierarchical Works for structured, routine transactions Can’t handle many- to-many relationship Network More flexible than hierarchical Unable to handle ad hoc requests Relational Easily responds to ad hoc requests Easier to work Not as efficient or quick as hierarchical or network (Text Page 179)
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This note was uploaded on 09/30/2010 for the course MIS 388 taught by Professor Kohers during the Spring '08 term at Sam Houston State University.

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Chapter 5 Notes - Chapter 5 Click to edit Master subtitle...

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