Difference between an ERD and EER
Write down a short note on the difference between an ERD and EER.
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An EER comprises everything in an ERD and an EER permits for more complex relationships than an ERD. An EER permits for object-oriented data modeling and take in supertypes and subtypes inheritance and entities.
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hatcher also created the accompanying Level 1 data flow diagram for this process. Unfortunately, this DFD has numerous syntax and semantic errors. Identify the errors. Redraw the DFD to more correctly represent the receive supplier shipments process.
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