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.
How do I take a known dollar (totalcost) such as $240.00, back out the sales taxes from the known values using the States (VA and WV) sales tax, showing the difference so that I can print an invoice, with the fields Customer name, address, city, state Subtotal, sales tax and totalcost $240.00. All
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