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.
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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:[email protected]+1) when Occupation='Professor' then (@p:[email protected]+1) when Occupation='Singer' then (@s:[email protected]+1) when Occupation='Actor' then (@a:[email protected]+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;
Disclaimer: The above Problem (Occupations) generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes. Authority if any of the queries regarding this post or website fill the following contact form thank you.
Is HackerRank good for SQL practice?
You’ve probably heard of HackerRank before, so it should be no surprise to you that they have one of the best collections of SQL practice challenges around.
Which SQL does HackerRank use?
The HackerRank Test interface has an in-built database query editor and supports programming in Microsoft SQL, MySQL, Oracle, or DB2 databases.
What is HackerRank SQL?
Basic. Get Certificate. SQL is an industry-standard query language that works with relational databases. Unlike some earlier systems, queries are performed at the server and only the results are passed to a client. This resulted in the ability to work with large databases efficiently over a network.
How many questions are there in HackerRank for SQL?
That will also help your SQL code challenges journey
It took me a bit more than two weeks (on and off between work, workout, and taking the kid to day school, etc.) to finish all the 58 SQL challenges on the site, and I gained quite some insights from the journey (and having quite some fun doing that!).
Where can I find HackerRank solutions in SQL?
in this post, you will get all the solutions of HackerRank SQL Problems.
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