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题目描述

Alisting the employees who earn the same amount of commission as employee 3

Bfinding the total commission earned by the employees in department 10

Cfinding the number of employees who earn a commission that is higher than the average commission of the company

Dlisting the departments whose average commission is more than 600

Elisting the employees who do not earn commission and who are working for department 20 in descending order of the employee ID

Flisting the employees whose annual commission is more than 6000