A relation (from the relational database model) consists of a set of tuples, which implies that
  • a)
    Relational model supports multi-valued attributes whose values can be represented in sets.
  • b)
    For any two tuples, the values associated with all of their attributes may be the same.
  • c)
    For any two tuples, the value associated with one or more of their attributes must differ.
  • d)
    All tuples in a particular relation may have different attributes.
Correct answer is option 'C'. Can you explain this answer?

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Answers

Vishal Karn
2 weeks ago
Er relationship can be made?

Er relationship can be made?
Er relationship can be made?