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The top documents tagged [data stores data stores]
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Analyzing Systems Using Data Dictionaries Systems Analysis and Design, 8e Kendall & Kendall 8
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Data Flow Diagrams BCA Sem IV K.I.R.A.S. What is A DFD? Data flow diagrams (DFDs) are used to depict the flow and transformation of data in an information
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DFD examples 1. Creating DFDs 2 Define Entities External entities represent persons, processes or machines which produce data to be used by the system
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Practical Significance of DFDs Many older information systems (legacy systems): Are mainframe-based (inaccessible to most non-IT users); Use non-relational
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