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#案例：返回location_id是1400或1700的部門中的所有員工
SELECT last_name
FROM employees
WHERE department_id IN(
SELECT DISTINCT department_id
FROM departments
WHERE location_id IN (1400,1700)
);#案例：返回其他工種中比job_id為'IT_PROG'部門任一工資低的員工的員工號、姓名、job_id和salary
SELECT DISTINCT employee_id,last_name,job_id,salary
FROM employees
WHERE salary<ANY(
SELECT DISTINCT salary
FROM employees
WHERE job_id='IT_PROG'
) AND job_id <>'IT_PROG' ;或者
SELECT DISTINCT employee_id,last_name,job_id,salary
FROM employees
WHERE salary<(
SELECT DISTINCT MAX(salary)
FROM employees
WHERE job_id='IT_PROG'
) AND job_id <>'IT_PROG' ;#案例：返回其他工種中比job_id為'IT_PROG'部門所有工資低的員工的員工號、姓名、job_id和salary
SELECT DISTINCT employee_id,last_name,job_id,salary
FROM employees
WHERE salary<ALL(
SELECT DISTINCT salary
FROM employees
WHERE job_id='IT_PROG'
) AND job_id <>'IT_PROG' ;或者
SELECT DISTINCT employee_id,last_name,job_id,salary
FROM employees
WHERE salary<(
SELECT DISTINCT MIN(salary)
FROM employees
WHERE job_id='IT_PROG'
) AND job_id <>'IT_PROG' ;免責聲明：本站發布的內容（圖片、視頻和文字）以原創、轉載和分享為主，文章觀點不代表本網站立場，如果涉及侵權請聯系站長郵箱：is@yisu.com進行舉報，并提供相關證據，一經查實，將立刻刪除涉嫌侵權內容。
