Q:

Write a query in SQL to list the name and average salary of employees in department wise

hamza
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2022-05-18
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Write a query in SQL to list the name and average salary of employees in department wise.

 

Sample table: employees

 emp_id | emp_name | job_name  | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+-----------+------------+------------+---------+------------+--------
  68319 | KAYLING  | PRESIDENT |            | 1991-11-18 | 6000.00 |            |   1001
  66928 | BLAZE    | MANAGER   |      68319 | 1991-05-01 | 2750.00 |            |   3001
  67832 | CLARE    | MANAGER   |      68319 | 1991-06-09 | 2550.00 |            |   1001
  65646 | JONAS    | MANAGER   |      68319 | 1991-04-02 | 2957.00 |            |   2001
  67858 | SCARLET  | ANALYST   |      65646 | 1997-04-19 | 3100.00 |            |   2001
  69062 | FRANK    | ANALYST   |      65646 | 1991-12-03 | 3100.00 |            |   2001
  63679 | SANDRINE | CLERK     |      69062 | 1990-12-18 |  900.00 |            |   2001
  64989 | ADELYN   | SALESMAN  |      66928 | 1991-02-20 | 1700.00 |     400.00 |   3001
  65271 | WADE     | SALESMAN  |      66928 | 1991-02-22 | 1350.00 |     600.00 |   3001
  66564 | MADDEN   | SALESMAN  |      66928 | 1991-09-28 | 1350.00 |    1500.00 |   3001
  68454 | TUCKER   | SALESMAN  |      66928 | 1991-09-08 | 1600.00 |       0.00 |   3001
  68736 | ADNRES   | CLERK     |      67858 | 1997-05-23 | 1200.00 |            |   2001
  69000 | JULIUS   | CLERK     |      66928 | 1991-12-03 | 1050.00 |            |   3001
  69324 | MARKER   | CLERK     |      67832 | 1992-01-23 | 1400.00 |            |   1001
(14 rows)
Sql programming,
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All Answers

hamza
2022-05-18
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SELECT e.emp_name,
       d.maxsal,
       e.dep_id AS "Current Salary"
FROM employees e,

  (SELECT avg(salary) maxsal,
          dep_id
   FROM employees
   GROUP BY dep_id) d
WHERE e.dep_id=d.dep_id;

Sample Output:

 emp_name |        maxsal         | Current Salary
----------+-----------------------+----------------
 KAYLING  | 3316.6666666666666667 |           1001
 BLAZE    | 1633.3333333333333333 |           3001
 CLARE    | 3316.6666666666666667 |           1001
 JONAS    | 2251.4000000000000000 |           2001
 SCARLET  | 2251.4000000000000000 |           2001
 FRANK    | 2251.4000000000000000 |           2001
 SANDRINE | 2251.4000000000000000 |           2001
 ADELYN   | 1633.3333333333333333 |           3001
 WADE     | 1633.3333333333333333 |           3001
 MADDEN   | 1633.3333333333333333 |           3001
 TUCKER   | 1633.3333333333333333 |           3001
 ADNRES   | 2251.4000000000000000 |           2001
 JULIUS   | 1633.3333333333333333 |           3001
 MARKER   | 3316.6666666666666667 |           1001
(14 rows)

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