Which statement is correct? a. In the relational model, the tuple constructor can only be used on
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Which statement is correct?
a. In the relational model, the tuple constructor can only be used on atomic values and the set constructor can only be used on tuples.
b. In the relational model, the tuple constructor allows defining composite attribute types.
c. In the relational model, the set constructor allows defining multivalued attribute types.
d. In the relational model, the tuple and set constructor can be used in a nested way.
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Related Book For
Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data
ISBN: 9781107186125
1st Edition
Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens
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