﻿ SQL: Average salary, total remuneration for each type of job

# SQL Exercise: Average salary, total remuneration for each type of job

## SQL employee Database: Exercise-91 with Solution

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91. From the following table, write a SQL query to find the average salary and average total remuneration (salary and commission) for each type of job. Return name, average salary and average total remuneration.

Sample table: employees

Sample Solution:

``````SELECT job_name,
avg(salary),
avg(salary+commission)
FROM employees
GROUP BY job_name;
``````

Sample Output:

``` job_name  |          avg          |          avg
-----------+-----------------------+-----------------------
CLERK     | 1137.5000000000000000 |
SALESMAN  | 1500.0000000000000000 | 2125.0000000000000000
MANAGER   | 2752.3333333333333333 |
PRESIDENT | 6000.0000000000000000 |
ANALYST   | 3100.0000000000000000 |
(5 rows)
```

Explanation:

The said query in SQL that selects job_name, the average salary, and the average total remuneration from the 'employees' table. The query then applies a grouping using the GROUP BY clause on the job_name column.

Relational Algebra Expression:

Relational Algebra Tree:

## Practice Online

Sample Database: employee

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Previous SQL Exercise: Find the highest salary from all the employees.
Next SQL Exercise: Compute the total salary for each job in 1991.

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