i have homework i need every q one paragraph

Q1 A friend shows you his awesome spreadsheet (his words) he uses to track customers for his small business. His spreadsheet shows his customers information, their orders, and other pertinent information. You, after being empowered by this class, notice multiple issues with his spreadsheet. Further, you know this spreadsheet, while “awesome,” is a terrible idea for a small business What would you say to your friend to convince him to use a relational database for his small business? Give him some examples of how his “awesome” spreadsheet could cause trouble for his business in the future

Q2 what is Normalization ?

Q3 Explain the concept of a foreign key ?

Q4 see the