Re: Need some help on Normalization

On Oct 10, 9:01 am, Lollie <techtechx..._at_gmail.com> wrote:
> You identify the following attributes, in part, for the Employee
> entity:
>     Employee number (Primary key)
>     Full name
>     Phone number
>     Supervisor number
>
> What change should you make to ensure that the entity is normalized to
> the 1st normal form (1NF)?
>
> A) Separate the full name into first, middle (optional), and last
> names.
> B) Use a different primary key value.
> C) Move the supervisor to a different table.
> D) Separate the phone number into separate fields.
>
> I see the table as looking like this:
> *Emp # (PK)     Full name              Phone#           Supervisor#*
> 123                     Joe Smith              123-4567           1
> 888                     John Doe                555-1212           2
> 316                     Jack Pi                  888-8080           1
> 451                     Suzy Q                  457-7410           3
>
> Anybody have any comments?  Thanks is advance - is there an answer

I agree that the answer is E.
What if someone has more than one telephone number? No doubt, telephone number should be in a separate table. Received on Mon Oct 13 2008 - 08:41:10 CDT