In a relational database,relationships are implemented by having common columns in two or more tables.
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Q4: In a relational database,each entity has its
Q5: The concept of functional dependence is trivial
Q6: In a relation,all values in a column
Q7: A relation is essentially a three-dimensional table.
Q8: A tabular database is a collection of
Q9: Each column in a table of a
Q10: A primary key always comprises a single
Q11: A secondary key is the unique identifier
Q13: You can determine functional dependence by viewing
Q20: The statement "A sales rep's pay class
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