Question

Which tasks would require sub queries or joins in order to be performed in a singlestep?select one or more:a. listing the employees who earn the same amount of commission as employee 3b. finding the total commission earned by the employees in department 10c. listing the departments whose average commission is more that 600d. listing the employees who do not earn commission and who are working for department 20 in descending order of the employee ide. listing the employees whose annual commission is more than 6000f. finding the number of employees who earn a commission that is higher than the average commission of the company?

Answer 1

idfryuggkoeascvhjlputeewsxvbnlitewetygcv