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PostgreSQL Basic SELECT Statement: Calculate the total salaries payable to employees


6. Write a query to get the total salaries payable to employees.

Sample Solution:

Code:

SELECT SUM(salary) 
FROM employees;

Sample table: employees


Output:

pg_exercises=# SELECT SUM(salary)
pg_exercises-# FROM employees;
    sum
-----------
 691400.00
(1 row)

Relational Algebra Expression:

Relational Algebra Expression: Calculate the total salaries payable to employees.

Relational Algebra Tree:

Relational Algebra Tree: Calculate the total salaries payable to employees.

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Previous: Write a query to get the employee ID, name (first_name, last_name) and salary in ascending order according to their salary.
Next: Write a query to get the maximum and minimum salary paid to the employees.

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