[leetcode][Database][Hard] 579. Find Cumulative Salary of an Employee

題目 Table: Employee +-------------+------+ | Column Name | Type | +-------------+------+ | id | int | | month | int | | salary | int | +-------------+------+ (id, month) is the primary key for this table. Each row in the table indicates the salary of an employee in one month during the year 2020. Write an SQL query to calculate the cumulative salary summary for every employee in a...

Submit