Problem: I need help to create a single example showing the following:
- A table not in 1NF. Explain why the table is not in 1NF, and then change it to 1NF.
- A table in 1NF, but not 2NF. Explain why the table is not in 2NF, and then change it to 2NF.
- A table that is in 2NF, but not 3NF. Explain why the table is not in 3NF and then change it to 3NF.