Invented keys in a relational database are dangerous and require careful scrutiny.
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Q3: Relationships in a relational database are usually
Q6: One-to-many and many-to-many relationships are both represented
Q8: A relational database table is in third
Q9: Referential integrity is a consistent relational database
Q11: Problem domain modeling and database normalization are
Q12: Every table in a relational database must
Q15: Classes that participate in a classification hierarchy
Q16: Completeness control is an integrity control that
Q18: The primary purpose of integrity controls is
Q31: Data elements in a relational database are
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