Find the top employees in terms of sales.

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in need to find the top employee in terms of sales but i am not able to get sufficient output

What I have tried:

select e_name from employee e join sale s on e.e_id=s.e_id group by sale_id limit 1;

Posted 25-Feb-19 22:18pm

Member 14163078

Updated 25-Feb-19 23:03pm

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CHill60 · Answer 1 · 2019-02-25T22:34:00

Solution 1

You need to ORDER your query to bring the top value to the "top" - hint: in descending order.

Reference: MySQL :: MySQL 8.0 Reference Manual :: 8.2.1.14 ORDER BY Optimization[^]

Posted 25-Feb-19 22:34pm

CHill60

Comments

Maciej Los 26-Feb-19 6:48am

5ed!

OriginalGriff · Answer 2 · 2019-02-25T23:04:00

Just to add to what CHill60 says: you need to ORDER BY sales, but since you are using GROUP BY, you will also need to look at an appropriate aggregate function.

Have a look here: SQL GROUP By and the "Column 'name' is invalid in the select list because..." error[^] as that's the next thing that will bite you - it's SQL Server based but the principles are the same for MySql