aggregate function in sql

                                    MAX – To find the number of the maximum values in the SQL table.

MIN – Number of the minimum values in the table.

COUNT – Get the number of count values in the SQL table.

AVG – Find average values in the SQL table.

SUM –  Return the summation of all non-null values in the SQL table.

                                    --- GROUP FUNCTION | MULTI ROW FUNCTION | AGGREGATE FUNCTION 
--- COUNT , MAX , MIN , SUM , AVG

                                    --- GROUP FUNCTION | MULTI ROW FUNCTION | AGGREGATE FUNCTION 
--- COUNT , MAX , MIN , SUM , AVG

                                    • Single Row Functions:(Lower, Upper, Substr, Length)
function that will run for each row and 
return value for each row.

Multiple Row Functions (Group functions, Aggregate functions):
(Count, MIN , MAX, AVG, SUM)
will run for multiple rows and return a single value

                                    This is the example.Aggregate function is AVG.production.products is the table.

SELECT
    AVG(list_price) avg_product_price
FROM
    production.products;