What is the purpose of aggregation Mcq?

Question

Explanation: Aggregate function is used to perform calculations on multiple values and return the output in a single value. It is mostly used with the SELECT statement. COUNT, SUM, and MAX are all aggregate functions.

What is the use of aggregation function?

An aggregate function performs a calculation on a set of values, and returns a single value. Except for COUNT(*) , aggregate functions ignore null values. Aggregate functions are often used with the GROUP BY clause of the SELECT statement.

Which one is not an aggregate function in SQL Mcq?

Which of the following is not a built in aggregate function in SQL? Explanation: SQL does not include total as a built in aggregate function. The avg is used to find average, max is used to find the maximum and the count is used to count the number of values. 2.

Which one is not an aggregate function?

Which of the following is not an aggregate function? Explanation: With is used to create temporary relation and its not an aggregate function.

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