题解 | 统计salary的累计和running_total
SELECT
emp_no,
salary,
SUM(salary) OVER (ORDER BY emp_no) AS running_total
FROM (select * from salaries where to_date = '9999-01-01') t
ORDER BY to_date;
SELECT
emp_no,
salary,
SUM(salary) OVER (ORDER BY emp_no) AS running_total
FROM (select * from salaries where to_date = '9999-01-01') t
ORDER BY to_date;
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