Oh my- good luck with that-
Answer:
elon musk/ bill gates/ jeff bezos/ henry ford/ tim cook
Explanation:
i googled it/ i added more
You have to ask you teacher to show you which ones you got wrong and the answers to them.
Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."