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

0 vote270 views1 answer
Order by with where clause in mysql
SQL
-1 vote294 views2 answers
Sql truncate number
SQL
0 vote276 views1 answer
List all functions and procedures in postgres query
SQL
0 vote295 views1 answer
Print hello world in plsql
SQL
0 vote285 views1 answer
Sqlcmd xml output insert line break after every 2033 characters
SQL
2 votes285 views1 answer
Oracle apex list connected users
SQL
1 vote313 views1 answer
Show databases mysql docker
SQL
0 vote270 views1 answer
How to avoid duplicate records in sqlite
SQL
10 votes308 views2 answers
Doublon sql
SQL
0 vote313 views1 answer
Show all sequences postgres
SQL