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MySQL Subquery Exercises: Find the name and salary of the employees who have a higher salary than the employee whose last_name='Bull'

MySQL Subquery: Exercise-1 with Solution

Write a MySQL query to find the name (first_name, last_name) and the salary of the employees who have a higher salary than the employee whose last_name='Bull'.

Sample table: employees


Code:

-- Selecting the first name, last name, and salary of employees whose salary is higher than that of the employee with the last name 'Bull'
SELECT FIRST_NAME, LAST_NAME, SALARY 
-- Selecting data from the employees table
FROM employees 
-- Filtering the result set to include only employees whose salary is higher than the salary of the employee with the last name 'Bull'
WHERE SALARY >
    -- Subquery to fetch the salary of the employee with the last name 'Bull'
    (SELECT salary FROM employees WHERE last_name = 'Bull');

Explanation :

  • This MySQL code selects the first name, last name, and salary of employees from a table named "employees".
  • It filters the results to only include employees whose salary is greater than the salary of the employee with the last name 'Bull'.
  • This is achieved by using a subquery to fetch the salary of the employee with the last name 'Bull', and then comparing it with the salaries of other employees in the outer query.

MySQL Subquery Syntax :

MySQL subquery syntax

- The subquery (inner query) executes once before the main query (outer query) executes.
- The main query (outer query) use the subquery result.

Write a query to find the names and salaries of the employees who have higher salary than the employee whose last_name='Bull'

Here the where comparison operator uses the '>' operator.

 

MySQL Code Editor:

Structure of 'hr' database:

hr database

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