SQL Exercise: Find the salaries of all employees

Last update on December 20 2024 11:59:33 (UTC/GMT +8 hours)

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2. From the following table, write a SQL query to find the salaries of all employees. Return salary.

Sample table: employees

Pictorial Presentation:

Sample Solution:

SELECT salary
FROM employees;

Sample Output:

 salary
---------
 6000.00
 2750.00
 2550.00
 2957.00
 3100.00
 3100.00
  900.00
 1700.00
 1350.00
 1350.00
 1600.00
 1200.00
 1050.00
 1400.00
(14 rows)

Explanation:

The said query in SQL that retrieves only the "salary" column from the 'employees' table.

The query returns a result set that includes all the values stored in the "salary" column for all rows of the 'employees' table.

Relational Algebra Expression:

Relational Algebra Tree:

Practice Online

Sample Database: employee

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