MySQL Joins Exercises: Find the name and hire date of the employees who was hired after 'Jones'
MySQL Joins: Exercise-5 with Solution
Write a query to find the name (first_name, last_name) and hire date of the employees who was hired after 'Jones'.
Sample table: employees
Code:
SELECT e.first_name, e.last_name, e.hire_date
FROM employees e
JOIN employees davies
ON (davies.last_name = 'Jones')
WHERE davies.hire_date < e.hire_date;
Relational Algebra Expression:
Relational Algebra Tree:
Sample Output:
first_name last_name hire_date Alana Walsh 1987-09-21T04:00:00.000Z Kevin Feeney 1987-09-22T04:00:00.000Z Donald OConnell 1987-09-23T04:00:00.000Z Douglas Grant 1987-09-24T04:00:00.000Z Jennifer Whalen 1987-09-25T04:00:00.000Z Michael Hartstein 1987-09-26T04:00:00.000Z Pat Fay 1987-09-27T04:00:00.000Z Susan Mavris 1987-09-28T04:00:00.000Z Hermann Baer 1987-09-29T04:00:00.000Z Shelley Higgins 1987-09-30T04:00:00.000Z William Gietz 1987-10-01T04:00:00.000Z
MySQL Code Editor:
Structure of 'hr' database:
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Previous:Write a query to find the employee id, name (last_name) along with their manager_id and name (last_name).
Next:Write a query to get the department name and number of employees in the department.
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