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.
Explain the Marginal Rate of Technical substitution.
What are cliques?
Explain the term optimization and performance tuning and its work in practical projects?
Explain why it is still essential to have at least certain familiarity with file processing systems even although it has become apparent that traditional file processing systems contain a number of shortcomings and restrictions.
What is meant by the Cardinality?What is meant by the Cardinality?
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Explain the Filter transformation?
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What is meant by the Drill Through?
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