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6 lines
306 B
MySQL
6 lines
306 B
MySQL
5 years ago
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/*23. Write a query in SQL to display job ID, number of employees, sum of salary,
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and difference between highest salary and lowest salary for a job.*/
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SELECT job_id, COUNT(*), SUM(salary),
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MAX(salary)-MIN(salary) AS salary_difference
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FROM employees
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GROUP BY job_id;
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