2025-08-16 12:54:52 +0300 MSK

Employees With Missing Information
Tags:

Code

SELECT 
    COALESCE(
        t1.employee_id, 
        t2.employee_id
    ) AS employee_id
FROM
    Employees t1 
FULL JOIN
    Salaries t2
ON 
    t1.employee_id = t2.employee_id
WHERE 
    t1.name IS NULL 
    OR t2.salary IS NULL
ORDER BY 
    employee_id;