use mysql to complete the following questions
Question 1
Premiere Products Database: Problem 3 (p.125)
Question 2
Henry Books Database: Problem 2 (p.126)
Question 3
Henry Books Database: Problem 23 (p.126)
Question 4
Premiere Products Database: Problem 4 (p.125)
Question 5
Henry Books Database: Problem 10 (p.126)
Question 6
Alexamara Marina Group Database: Problem 12 (p.127)
Question 7
Henry Books Database: Problem 13 (p.126)
Question 8
Henry Books Database: Problem 11 (p.126)
Question 9
Alexamara Marina Group Database: Problem 8 (p.127)
Question 10
Alexamara Marina Group Database: Problem 11 (p.127)
Question 11
Alexamara Marina Group Database: Problem 10 (p.127)
Question 12
Henry Books Database: Problem 14 (p.126)
Question 13
Premiere Products Database: Problem 16 (p.125)
Question 14
Henry Books Database: Problem 5 (p.126)
Question 15
Henry Books Database: Problem 9 (p.126)
Question 16
Premiere Products Database: Problem 6 (p.125)
Question 17
Premiere Products Database: Problem 9 (p.125)
Question 18
Henry Books Database: Problem 16 (p.126)
Question 19
Henry Books Database: Problem 17 (p.126)
Question 20
Premiere Products Database: Problem 2 (p.125)