This weeks materials discuss how normalizing data helps avoid three common data anomalies. Did you recognize each of them when they appeared in the questions?

Having no place to store a new product $($like a light saber in the question above$)$ is an example of a$($n$)$

The difficulty related to having different spellings for a customer's name is an example of a$($n$)$

Losing customer data when an invoice is removed from the invoice list is an example of a$($n$)$

The difficulty of having to look through all the invoices to find the misspelled product name is an example of a$($n$)$