100+ Data data store PowerPoint (PPT) Presentations, Data data store PPTs

Data data store - PowerPoint PPT Presentation

DFD Examples

DFD Examples. or. or. DFD Notation. Data Flow : labeled arrow Sources and sinks of information/data (also called external entity). Process. or. Available data (data store). Example: Air line reservation. DFD Example 1: Payroll. DFD Example 2: Old Car Mart.

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ISMT221 Information Systems Analysis and Design

ISMT221 Information Systems Analysis and Design. Entity-Relationship Diagram Lab 4 Tony Tam. Agenda. Presentation About Entity-Relationship Diagram Explaining the ERD Build up some fundamental information Your turn Setup environment for ERD Draw a very simple ERD

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144 views • 6 slides

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Data data store - PowerPoint PPT Presentation

DFD Examples

ISMT221 Information Systems Analysis and Design