7547

Hi, I have 3 problems.

https://www.chegg.com/homework-help/Database-Management-Systems-3rd-edition-chapter-25-problem-10E-solution-9780072465631

Can you show me how to answer the 2) 3) 4)?

https://www.chegg.com/homework-help/Database-Management-Systems-3rd-edition-chapter-26-problem-2E-solution-9780072465631

https://www.chegg.com/homework-help/Database-Management-Systems-3rd-edition-chapter-26-problem-8E-solution-9780072465631