Question

----------------function produce a single value from a set of values​

Answer 1

Answer:

One to one function is the answer

Explanation:

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Answer 2

Answer:

aggregate function

Explanation:

an aggregate function in SQL performs a calculation on multiple values and returns a single value. SQL provides many aggregate functions that include avg, count, sum, min, max, etc. An aggregate function ignores NULL values when it performs the calculation, except for the count function.

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