query an aggregate sql table code example

Example 1: SQL Aggregate Functions

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.

Example 2: aggregate function in sql

• 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