Can you do a max count in SQL?

Can you do a max count in SQL?

Can I use MAX(COUNT()) in SQL? I came across an interesting SQL challenge that looked easy first and then proved to be a bit tricker than expected. And the short answer to the above question is, no. You can’t.

How do you find Max count?

To get one row with the highest count, you can use ORDER BY ct LIMIT 1 : SELECT c. yr, count(*) AS ct FROM actor a JOIN casting c ON c. actorid = a.id WHERE a.name = ‘John Travolta’ GROUP BY c.

How do you find the maximum in a GROUP BY?

SELECT department, MAX(salary) AS “Highest salary” FROM employees GROUP BY department; Because you have listed one column in your SQL SELECT statement that is not encapsulated in the MAX function, you must use the SQL GROUP BY clause. The department field must, therefore, be listed in the GROUP BY section.

What is outer join?

When performing an inner join, rows from either table that are unmatched in the other table are not returned. In an outer join, unmatched rows in one or both tables can be returned. There are a few types of outer joins: FULL OUTER JOIN returns unmatched rows from both tables. …

How do you find the top 3 values in SQL?

SQL TOP, LIMIT, FETCH FIRST or ROWNUM Clause

1. SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name.
2. MySQL Syntax: SELECT column_name(s) FROM table_name.
3. Oracle 12 Syntax: SELECT column_name(s)
4. Older Oracle Syntax: SELECT column_name(s)
5. Older Oracle Syntax (with ORDER BY): SELECT *

What is the purpose of Outer join give one example?

An outer join is used to return results by combining rows from two or more tables. But unlike an inner join, the outer join will return every row from one specified table, even if the join condition fails.

When to use group by and Max in SQL?

In this page we are discussing, how the GROUP BY clause along with the SQL MAX () can be used to find the maximum value of a column over each group.

How to use Max ( ) and count in SQL?

MAX() with Count function. In this part, you will see the usage of SQL COUNT() along with the SQL MAX(). Example: To get the maximum number of agents as column alias ‘mycount’ from the ‘orders’ table with the following condition -. 1. ‘agent_code’ should be in a group,

How to use SQL Max with order by?

SQL max () with group by and order by To get data of ‘cust_city’, ‘cust_country’ and maximum ‘outstanding_amt’ from the customer table with the following conditions – 1. the combination of ‘cust_country’ and ‘cust_city’ should make a group, 2. the group should be arranged in alphabetical order,

How to calculate agent code Max in SQL?

the following SQL statement can be used : SELECT agent_code, COUNT( agent_code) FROM orders GROUP BY agent_code HAVING COUNT ( agent_code)=( SELECT MAX( mycount) FROM ( SELECT agent_code, COUNT( agent_code) mycount FROM orders GROUP BY agent_code)); Copy.