Question du test SQL - Les bases

SELECT name, job_title
FROM employees
WHERE department = 'Sales' AND hire_date > '2020-01-01';

SELECT name, job_title
FROM employees
WHERE department = 'Sales' OR hire_date > '2020-01-01';

SELECT employee_id, name, job_title
FROM employees
WHERE department = 'Sales' AND hire_date > '2020-01-01';

SELECT name, job_title
FROM employees
WHERE department LIKE '%Sales%' AND hire_date < '2020-01-01';