a$)$ Identify and discuss the serious data redundancy problems

b$)$ Looking at the storage format of the EMP$\_$NAME and EMP$\_$PHONE columns, what change$($s$)$ would you

recommend?

c$)$ Identify the different data themes or topics in the file

d$)$ Given your answer to question c$),$ what new files should you create to help eliminate the data redundancies

found in the file shown in the figure?