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Learn how to create and update data flow diagrams (DFDs) for business systems analysis. Discover the symbols, meanings, conventions, and best practices of DFDs.
ER diagrams have a proven track record to rep-resent data structure and relationships, in many CS problems, beyond relational databases. The ER diagram strengths are abstraction, generality, ...
ER diagrams have a proven track record to rep-resent data structure and relationships, in many CS problems, beyond relational databases. The ER diagram strengths are abstraction, generality, ...
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