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

4 votes258 views1 answer
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.s
SQL
1 vote261 views1 answer
Sql try catch
SQL
0 vote274 views1 answer
Zerar auto increment mysql
SQL
1 vote272 views1 answer
Sql delete row with auto increment
SQL
0 vote291 views1 answer
Mssql unique key accept nulls
SQL
0 vote275 views1 answer
Access denied for user 'root'@'localhost' (using password no) stackoverflow
SQL
1 vote275 views1 answer
ALL_TAB_PARTITIONS
SQL
0 vote296 views3 answers
Condition in count sql
SQL
0 vote292 views1 answer
Sql select sum group by id laravel join
SQL
0 vote255 views1 answer
Backup a table in sql
SQL