ERD%20Symbols - PowerPoint PPT Presentation
Title:
ERD%20Symbols
Description:
Title: PowerPoint Presentation Author: Thomas W. Davies Last modified by: John H. Ristroph Created Date: 5/8/2003 2:43:59 PM Document presentation format – PowerPoint PPT presentation
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Title: ERD%20Symbols
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ERD Symbols
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Order Context
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Order Level 0
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1.1 Verify Order
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3.1 Apply Payment
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Manf Context
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Manf Level 0
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ERD Symbols
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Sales ERD
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Many-Many
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Relational DB
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Hierarchal DB
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Network DB
