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प्रश्न
Which of the following is true for a tuple and attribute?
विकल्प
Tuple should be unique in a table but attribute can be duplicate.
Tuple and attribute should be unique.
Tuple and attribute can be duplicate
Tuple should be duplicate in a table but attribute should be unique.
MCQ
उत्तर
Tuple should be unique in a table but attribute can be duplicate.
shaalaa.com
Keys in a Relational Database
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