Chap7(1) - CHAPTER 7 Storing Organizational Information...

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CHAPTER 7 Storing Organizational Information— Databases
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LEARNING OUTCOMES 7.1 Define the fundamental concepts of the relational database model 7.2 Evaluate the advantages of the relational database model 7.3 Compare relational integrity constraints and business-critical
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LEARNING OUTCOMES 7.4 Describe the benefits of a data driven website 7.5 Describe the two primary methods for integrating information across multiple databases
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RELATIONAL DATABASE FUNDAMENTALS Information is everywhere in an organization Information is stored in databases Database – maintains information about various types of objects (inventory), events (transactions), people (employees), and places (warehouses).
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RELATIONAL DATABASE FUNDAMENTALS Database models include: Hierarchical database model – information is organized into a tree-like structure (using parent/child relationships) in such a way that it cannot have too many relationships Network database model – a flexible way of representing objects and their relationships
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Entities and Attributes Entity – a person, place, thing, transaction,
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This note was uploaded on 12/23/2011 for the course INFO 82731 taught by Professor Dr.allisonj.morgan during the Fall '11 term at Howard.

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Chap7(1) - CHAPTER 7 Storing Organizational Information...

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