How do you find a maximum average in SQL?

How do you find a maximum average in SQL?

select max (avg(salary)) from (select worker_id, avg(salary) from workers group by worker_id);

How do I find the maximum salary for an employee?

select *from employee group by salary order by salary desc limit 1,1; There are other ways : SELECT name, MAX(salary) AS salary FROM employee WHERE salary IN (SELECT salary FROM employee MINUS SELECT MAX(salary) FROM employee);

How do you calculate average salary in SQL?

For example, the SQL statement below returns the average salary of unique salary values where the salary is above $25,000 / year. SELECT AVG(DISTINCT salary) AS “Avg Salary” FROM employees WHERE salary > 25000; If there were two salaries of $30,000/year, only one of these values would be used in the AVG function.

How do you find minimum and maximum salary in SQL?

SELECT name,salary FROM employee where salary = (select max(salary) from employee); And to find out the minimum salary along with employee name I have written this query: SELECT name,salary FROM employee where salary = (select min(salary) from employee);

How do you find average minimum and maximum?

Keep a minimum variable that is initialized to a high value, and update it if you see a lower value. Do the opposite with a maximum variable. Add up all numbers and divide that sum by the total count to get the average.

How do you find the highest average?

The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set. For example, suppose we want the average of 24 , 55 , 17 , 87 and 100 . Simply find the sum of the numbers: 24 + 55 + 17 + 87 + 100 = 283 and divide by 5 to get 56.6 .

How do you find the nth max salary in MySQL?

SELECT DISTINCT(column_name) FROM table_name ORDER BY column_name DESC limit N-1,1; where N represents the nth highest salary .. ASC and DESC should be the other way around.

What is average in MySQL?

The MySQL avg() is an aggregate function used to return the average value of an expression in various records.

How do you calculate average employee salary?

How is Average Salary calculated? You can calculate the average base, mean salary, or average salary by adding all the salaries for a select group of employees and then dividing the sum by the number of employees in the group.

How do I find the maximum salary for an employee in SQL?

SELECT * FROM employees WHERE salary = (SELECT MAX(salary) FROM employees WHERE department_id=30); Answer: The SQL SELECT statement that you have written will first determine the maximum salary for department 30, but then you select all employees that have this salary.

What is limit in MySQL?

In MySQL the LIMIT clause is used with the SELECT statement to restrict the number of rows in the result set. The Limit Clause accepts one or two arguments which are offset and count. The value of both the parameters can be zero or positive integers.

Why can’t I see average salaries from a table in MySQL?

Unlike other platforms that force you to put them all in if they are not in the aggregate function. So you are getting more than one of the same row, but you can’t tell because mysql squishes them for you. To find just the average salaries from a table use this mySQL query.

How to get max salary from a group of workers?

Just use an alias for it, and select on that: select max(avg_salary) from (select worker_id, avg(salary) AS avg_salary from workers group by worker_id) As maxSalary; Share Improve this answer Follow edited Feb 18 ’20 at 8:50

How to get the Max column name of an aggregate function?

Columns resulting from aggregate functions (e.g. avg) usually get arbitrary names. Just use an alias for it, and select on that: select max(avg_salary) from (select worker_id, avg(salary) AS avg_salary from workers group by worker_id) As maxSalary;

What is the difference between avg() and Max(Avg\%) salary?

I would expect a column called WORKER_ID to be the primary key for a table called WORKERS. If so, the AVG() salary would be the average for the whole table, and the MAX(AVG()) salary would just be the AVG() salary. However, I suspect it’s just a shonky data model.