Due to the extra joins involved,splitting a table because it has multiple candidate keys can degrade query performance.
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Q5: If an analysis of relationship independence reveals
Q6: Although 3NF and BCNF usually produce the
Q7: Primary key and foreign key constraints are
Q8: Redundancies can cause insert,update,and delete operations to
Q9: An unexpected side effect that occurs when
Q11: When part of a key determines a
Q12: Although rare,a table in DKNF can still
Q13: In the MVD expressed as
Q14: To achieve 4NF,it is possible that there
Q15: The goal of 2NF and 3NF is
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