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 vote209 views1 answer
Leftjoin in sql
SQL
7 votes222 views3 answers
Convert ansi sql
SQL
1 vote235 views3 answers
Sql procedure
SQL
9 votes199 views2 answers
Default number in sql
SQL
6 votes223 views3 answers
Date_trunc postgres
SQL
-1 vote213 views1 answer
Ssms connect with connection string
SQL
0 vote225 views1 answer
Selecting from a view SQL
SQL
1 vote267 views1 answer
Best configuration for display table in sqlplus
SQL
0 vote210 views1 answer
FIND ABOVE AVERAGE SALARY EARNER IN SQL
SQL
11 votes230 views2 answers
You are using safe update mode
SQL