Re: [GENERAL] scheduling table design - Mailing list pgsql-general

From Ed Loehr
Subject Re: [GENERAL] scheduling table design
Date
Msg-id 38B6B3B6.9AB142F0@austin.rr.com
Whole thread Raw
In response to Re: [GENERAL] scheduling table design  (davidb@vectormath.com)
List pgsql-general
davidb@vectormath.com wrote:
>
> The advantage of (3) is that it would be extremely easy to write an
> application around.  However, the inflexibility of it makes my stomach
> tighten.  I agree with kaiq, I think you're making a mistake.

Hmmm.  What would a SQL query look like in (3) that finds all
appointments for a person?

Cheers,
Ed Loehr

> >> I was previously thinking that I needed to do something like creating the
> >> following table:
> >>
> >> 3)  date | doctor | 0800 | 0815 | 0830 | 0845 | 0900  ....and so on every
> 15
> >> minutes
> >> where each time slot holds a reference# to an appointment database such
> as:
> >> reference# | patient_id# | reasonfor_app | kept_app | authorized
> >>
> >>
> >> Assuming I am summarizing 1) and 2) correctly-the way you suggested-then
> you
> >> two have already explained the advantages and disadvantages of each of
> those
> >> solutions compared to one another.  3) however, is fundamentally
> different
> >> in that time is a field name instead of an actual field.  It is
> inflexible
> >> timewise, but does it offer any advantages such as speed or simplicity in
> >> the SQL searches?  Has 3) ever been done, or is it seriously flawed
> somehow?
> >> Are there other solutions?

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