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 vote183 views1 answer
Best way to bind parameters to SqlCommand C#
SQL
1 vote208 views1 answer
Sql how to replace full stop
SQL
3 votes187 views1 answer
Oracle revoke grant
SQL
0 vote190 views1 answer
Wordpress database query change url
SQL
0 vote219 views1 answer
Inserting values with beekeeper get error null value in column createdAt violates not-null constraint
SQL
0 vote195 views1 answer
Datetime postgres typeorm
SQL
1 vote209 views1 answer
Oracle create index if not exists
SQL
0 vote192 views4 answers
Mysql select bottom 10 rows
SQL
0 vote190 views1 answer
Remove from table where
SQL
3 votes341 views2 answers
Oracle sql first day of month
SQL