You usually indicate a table's primary key by underlining the column or collection of columns that comprises the primary key for each table in the database.
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Q6: In a relation,all values in a column
Q9: Each column in a table of a
Q10: A primary key always comprises a single
Q11: A secondary key is the unique identifier
Q11: A relation is essentially a(n)three-dimensional table.
Q12: A(n)relation is a characteristic or property of
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Q19: Columns are sometimes called tuples.
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