Re: Need some help on Normalization
Date: Mon, 13 Oct 2008 06:41:10 -0700 (PDT)
On Oct 10, 9:01 am, Lollie <techtechx..._at_gmail.com> wrote:
> You identify the following attributes, in part, for the Employee
> 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
> 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