Which aggregate functions are most commonly used?

Question

The following are the most commonly used SQL aggregate functions: AVG – calculates the average of a set of values. COUNT – counts rows in a specified table or view. MIN – gets the minimum value in a set of values. MAX – gets the maximum value in a set of values. SUM – calculates the sum of values.

WHERE are aggregate functions used?

An aggregate function can be used in a WHERE clause only if that clause is part of a subquery of a HAVING clause and the column name specified in the expression is a correlated reference to a group. If the expression includes more than one column name, each column name must be a correlated reference to the same group.

What are the 5 aggregate functions?

There are five aggregate functions, which are: MIN, MAX, COUNT, SUM, and AVG.

What are three aggregate functions?

SQL Aggregate FunctionsCOUNT counts how many rows are in a particular column.SUM adds together all the values in a particular column.MIN and MAX return the lowest and highest values in a particular column, respectively.AVG calculates the average of a group of selected values.

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