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data modeling with visio
CS 260 Database Systems
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Overview Getting started Chen’s notation Crow’s foot notation
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Getting Started Microsoft Visio
Diagramming application containing templates for various categories and domains Available in the CS labs and using virtual.uwec.edu Start > All Programs > Common Applications > Microsoft Office 2013 > Visio If using virtual on OS X, use fn-delete to remove selected components Not free otherwise These slides are intended to be used along with the prior slides on data modeling
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Getting Started Select “Database” if present
Otherwise, select “CATEGORIES” and “Software and Database”
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Getting Started Choose either “Chen’s” or “Crow’s Foot”
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Overview Getting started Chen’s notation Crow’s foot notation
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Chen’s Notation Drag and drop components to the canvas
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Chen’s Notation Right-click on an attribute to update its characteristics
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Chen’s Notation Right-click on an entity to update its characteristics
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Chen’s Notation Right-click on a relationship to update its characteristics
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Chen’s Notation Right-click on a relationship connector to update its characteristics Updates relationship connector endpoints Allows line type, color, and endpoint modifications as seen on next slide
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Chen’s Notation Change compound type to indicate required participation (and increase the width) Use other line endpoints
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Overview Getting started Chen’s notation Crow’s foot notation
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Crow’s Foot Notation Drag and drop components to the canvas
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Crow’s Foot Notation Right-click on an entity to update its characteristics
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Crow’s Foot Notation Right-click on an attribute to update its characteristics
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Crow’s Foot Notation Update multiplicity and cardinality
Right-click on a relationship to update its characteristics Allows line type, color, and endpoint modifications as seen on next slide
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Crow’s Foot Notation Increase the line endpoints to at least “Extra Large”
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