Difference between an ERD and EER
Write down a short note on the difference between an ERD and EER.
Expert
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.
Illustrates the perfect competition?
Why we use Context? And explain the LOV?
Explain the user objects?
Explain the designer objects?
Define the term Smoothing.
Define the term data aggregation?
Explain about the Buffer Manager in relational database management system.
Clarify briefly why dimension tables is de-normalized in the nature?
Provide a brief introduction on the term Star Schema?
Illustrate the term data mart. What do you mean by it?
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