Question

Which of the following rules are not imposed by relational data model on attribute of a relation?

विकल्प

• Each attribute should have unique name.

• Sequence of attribute is irrelevant.

• Sequence of tuple is irrelevant.

• Each attribute should have unique name and Sequence of tuple is irrelevant.

Answer 1

Sequence of tuple is irrelevant.

Explanation:

"Sequence of tuples is irrelevant is a rule" implemented on tuple and not an attribute.