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Quantitative Aptitude

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Question

The number of tuples in a relation is called its _ , while the number of attributes in a relation is called it's _.

A

Degree, Cardinality

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B

Cardinality, Degree

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C

Rows, Columns

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D

Columns, Rows

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E

None of these

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Solution

The correct option is B Cardinality, Degree
The number of tuples in a relation is called its cardinality, while the number of attributes in a relation is called its degree.

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Similar questions

Q. Which among these is incorrect regarding relations?
(i) degree-number of tuples
(ii) relation-table
(iii) tuple - row
(iv) attribute - column

Q. A __________ is a set of tuples wherein each tuple is an ordered list of values corresponding to attributes of relation.

Q. The operation performed to add a new tuple in a relation is called _______.

Q. A special value called ______ is used to represent unknown or not applicable values of attributes in a tuple.

Q. Fill in the blanks, an appropriate word(s)
When a relation has more than one attribute with unique values, each such attribute is called _____________ .

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