PostgreSQL Subquery: Find the name and salary which is equal to the minimum salary for this post he/she is working on
6. Write a SQL subquery to find the first_name, last_name and salary, which is equal to the minimum salary for this post, he/she is working on.
SELECT first_name, last_name, salary FROM employees WHERE employees.salary = (SELECT min_salary FROM jobs WHERE employees.job_id = jobs.job_id);
Sample table: employees
Sample table: jobs
pg_exercises=# SELECT first_name, last_name, salary pg_exercises-# FROM employees pg_exercises-# WHERE employees.salary = pg_exercises-# (SELECT min_salary pg_exercises(# FROM jobs pg_exercises(# WHERE employees.job_id = jobs.job_id); first_name | last_name | salary ------------+------------+--------- Karen | Colmenares | 2500.00 Martha | Sullivan | 2500.00 Randall | Perkins | 2500.00 (3 rows)
Have another way to solve this solution? Contribute your code (and comments) through Disqus.
What is the difficulty level of this exercise?