Computer science, computer science, Basic Computer Science

You recently returned some homework I completed but i left of the final 10 questions. Should not take long just needs some commands interpreted. How much will it cost for me to get them completed? my ticket number is; EM3272012BIL0328_CP
The questions follow:
7. For each department, retrieve the department name and the average salary of all employees
working in that department.
8. Retrieve the average salary of all female employees.
9. Find the name of each employee who works on at least one project located in Houston but
whose department has no location in Houston.
2
10. List the name of each department manager who has no dependents.
11. List the name of each department manager who has no dependents. (do not use SQL operators
and constructors such as NOT IN, NOT EXISTS, MINUS, COUNT)
12. For each employee, show how many employee(s) each supervises.
13. Retrieve the name of employee whose salary is greater than the average salary of all the
employees in department 5.
14. Retrieve the name of employee whose salary is greater than the average salary of his or her
corresponding department.
15. List the social security number of each employee who does not work on any one of projects with
project number 1, 2, or 3.
16. List the social security number of each employee who works on the projects other than the
projects with project number 1, 2, or 3.
17. List the social security number of each employee who works on all the projects with project
number 1 and 2.
18. Retrieve the social security numbers of all direct and indirect supervisees James Borg has.
19. List the name of each department, and the total number of employees with salaries greater than
$30,000, and only the department with more than one employee.
20. List the name of department that has more than one employee who earns more than $30,000.
G. Submit your assignment including A, B, C, D, E and F.
H. For question F, please include query number, query statement, and query execution result for
each query. In your submission, please exclude all the error messages generated during the
execution of SQL statements. For Question C, D, and E, please give your answers in English
without using SQL.

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