题解 | SQL223 获取所有非manager员工当前的薪水情况

WITH t1 AS (
    SELECT
        dept_no,  
        emp_no
    FROM dept_emp
    WHERE emp_no 
    NOT IN (SELECT 
            emp_no 
            FROM dept_manager
            WHERE to_date = '9999-01-01')
    AND to_date = '9999-01-01'
),
t2 AS (
    SELECT 
        t1.dept_no,
        t1.emp_no,
        s.salary
    FROM t1
    LEFT JOIN
    (SELECT * FROM salaries WHERE to_date = '9999-01-01') s
    ON t1.emp_no  = s.emp_no
)
SELECT * FROM t2;