What are the four key steps to logical database modeling and design?
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Q23: A foreign key is an attribute (or
Q24: In _ normal form,each non-primary key attribute
Q25: Each relationship in an E-R diagram must
Q26: Describe normalization rules.
Q27: De-normalization is a process for converting complex
Q29: In an object oriented database model,data is
Q30: A functional dependency is a particular relationship
Q31: In a relational table,each row is unique
Q32: A relation is a named,two-dimensional table of
Q33: What is a relational database model? How
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