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Question

Which of the following is correct regarding Aggregate functions?

a.

it takes a list of values and return a single values as result

b.

it takes a list of values and return a list of values as result

c.

it takes a single value and returns a list of values as result

d.

it takes a single value and returns a single value as result

Answer: (a).it takes a list of values and return a single values as result

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Q. Which of the following is correct regarding Aggregate functions?

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