How do you reference a column name in another table to avoid repeating the
values?

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Benjamin
Pflugmann
Sent: Tuesday, May 28, 2002 6:24 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: first mysql table; syntax qustion


Hi.

Looks okay, except that you probably want to reference via pro_id and
d_id in table available_properties (given that I understood your table
layout correctly). It is usally considered bad design to repeat the
values itself (the varchars) in several tables.

Bye,

        Benjamin.


On Tue, May 28, 2002 at 12:17:55PM -0700, [EMAIL PROTECTED] wrote:
> Hello list, this is my first table for a simple php page and I'm hoping
> someone could briefly review its structure.  The only fields I'll be
> sharing are property_name and type.  Are they set up properly for select
> join queries?
>
> thank you, justin
>
> Database=properties
>
> Tables are available_properties, property_names, and details
>
> create table available_properties (
> av_pro_id int not null auto_increment
> property_name varchar (50) not null
> type varchar (25)
> city varchar (25)
> description varchar (125)
> number_of_units varchar (25)
> primary key (av_pro_id)
> );
>
> create table property_names (
> pro_id int not null auto_increment
> property_name varchar (50) not null
> address varchar (100)
> cross_street varchar (50)
> primary key (pro_id)
> );
>
> create table details (
> d_id int not null auto_increment
> type varchar (25)
> price smallint
> floor varchar (15)
> sq_ft smallint
> suite smallint
> description text
> available varchar (15)
> primary key (d_id)
> );
>

--
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