Hello coders, In this post, you will learn how to solve the Occupations SQL Hacker Rank Solution. This problem is a part of the SQL Hacker Rank series.
Write a query that prints a list of employee names (i.e.: the name attribute) from the Employee table in alphabetical order.
The Employee table containing employee data for a company is described as follows:
where employee_id is an employee’s ID number, name is their name, months is the total number of months they’ve been working for the company, and salary is their monthly salary.
Angela Bonnie Frank Joe Kimberly Lisa Michael Patrick Rose Todd
Occupations SQL Hacker Rank Solution
set @d=0, @p=0, @s=0, @a=0; select min(Doctor), min(Professor), min(Singer), min(Actor) from( select case when Occupation='Doctor' then (@d:=@d+1) when Occupation='Professor' then (@p:=@p+1) when Occupation='Singer' then (@s:=@s+1) when Occupation='Actor' then (@a:=@a+1) end as Row, case when Occupation='Doctor' then Name end as Doctor, case when Occupation='Professor' then Name end as Professor, case when Occupation='Singer' then Name end as Singer, case when Occupation='Actor' then Name end as Actor from OCCUPATIONS order by Name ) as temp group by Row;