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;aggregate function in sql
--- GROUP FUNCTION | MULTI ROW FUNCTION | AGGREGATE FUNCTION
--- COUNT , MAX , MIN , SUM , AVGaggregate 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 valueCopyright © 2021 Codeinu
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