The logical view of the relational database is facilitated by the creation of data relationships based on a logical construct known as a(n)____________________.
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Q47: In a relational table, each column has
Q53: The relational operators have the property of
Q54: PRODUCT yields all possible pairs of rows
Q55: A(n) _ provides a detailed description of
Q72: A(n)_ is an ordered arrangement of keys
Q73: If the foreign key contains either matching
Q75: Codd's Rule of _ states: Application programs
Q77: Codd's Rule of _ states: If the
Q78: Since it is used to link the
Q80: Another name for a composite entity is
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