Data Science Skills LinkedIn SQL Interview Question
- Given a table of candidates and their skills, you're tasked with finding the candidates best suited for an open Data Science job.
- You want to find candidates who are proficient in Python, Tableau, and PostgreSQL.
- Write a query to list the candidates who possess all of the required skills for the job.
- Sort the output by candidate ID in ascending order.
β οΈNote:
- You have to visit the task URL to fully understand what the task needs if you want to add a solution or test your solution.
Task URL: Link
My Solution:
SELECT
candidate_id
FROM
candidates
WHERE
skill IN ('Python', 'Tableau', 'PostgreSQL')
GROUP BY
candidate_id
HAVING
COUNT(skill) = 3;
Code Snapshot:
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