Returns the first value in the window frame.
Syntax
FIRST_VALUE(expr) OVER (w)Example
Enter values below to update the example in real time.
employee_id→department_id→salary→top_salary→employees→-- 부서 내 최고 연봉자 급여를 각 행에 표시
SELECT employee_id, department_id, salary,
FIRST_VALUE(salary) OVER (PARTITION BY department_id ORDER BY salary DESC) AS top_salary
FROM employees;