Aggregate function in sql

 -- Emp_Id is a Column Name
 -- employee_tble is Table Name;
 
select count(Emp_Id) from employee_tbl;

select min(Salary) from employee_tbl;

select max(Salary) from employee_tbl;

select sum(Salary) from employee_tbl;

select avg(Salary) from employee_tbl;

What are the aggregate function in sql

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

How to use aggregate functions in sql

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

SELECT
    AVG(list_price) avg_product_price
FROM
    production.products;

Source: sqlservertutorial.net

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

Similar codes

2 votes236 views3 answers
Mysql kill
SQL
0 vote195 views1 answer
Is there any limit of using joins in single mysql query ?
SQL
9 votes185 views3 answers
Oracle undo usage by session
SQL
12 votes184 views4 answers
How to take database dump in postgresql
SQL
9 votes182 views2 answers
Default number in sql
SQL
0 vote198 views1 answer
Mysql get last 2 month data
SQL
0 vote196 views1 answer
Laravel migration sql dump
SQL
0 vote190 views2 answers
Many to many flask-sqlalchemy
SQL
8 votes195 views1 answer
Script to add datafile to tablespace
SQL
16 votes186 views1 answer
CTE statement sql server
SQL