Re: Need some help on Normalization
Date: Sat, 11 Oct 2008 15:16:44 -0700 (PDT)
Message-ID: <577c2056-d833-4c60-8015-7abe3a183ef8@e2g2000hsh.googlegroups.com>
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
Sounds like homework to me.
What do you think 1NF, 2NF and 3NF are exactly?
How about 1nf specifically?
Anything about atomic values and/or repeating groups? Received on Sat Oct 11 2008 - 17:16:44 CDT