011 AGGREGATION FUNCTIONS (SQL AF SOOMAALI) ||DATABASE MANAGEMENT SYSTEM

#SOMPROGRAMMERS_OFFICIAL
-AGGREGATE FUNCTIONS: performs a calculation on a set of values and returns a single value
-AGGREGATE FUNCTIONS often use with the GROUP BY and HAVING clauses of the SELECT statement
-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.