MySQL Aggregate Functions
MySQL provides several aggregate functions that are used to calculates the multiple values and return the result in a single value. These functions are often used with the GROUP BY clause of the SELECT statement. Below are the most commonly used aggregate functions
Function | Description |
---|---|
COUNT() | Returns the number of rows in a set. |
SUM() | Returns the total sum of a numeric column. |
AVG() | Calculates the average value of a numeric column. |
MIN() and Max() | Returns the smallest and largest value in a column. |