Merlin Moncure wrote:
> On Thu, May 21, 2009 at 12:35 PM, Kenneth Tilton <kentilton@gmail.com> wrote:
>> If the primary key of the customer table is cust_short_name and my DB
>> reflects also customer departments, I can link a customer to its departments
>> one of three ways:
>>
>> 1. The department table has a cust_short_name column and makes that the
>> first segment of its primary_key;
>>
>> 3. I give the customer a cust_serial_id column and make it SERIAL and give
>> the dept table a column called cust_serial_id.
>
> This is the very well tread 'natural vs. surrogate key' debate.
Ah, thx for the label, I have been able to google up some pros and cons.
Thx again,
kt
