Male/female

Поиск
Список
Период
Сортировка
От Raymond O'Donnell
Тема Male/female
Дата
Msg-id 4579835F.11355.1DE571@rod.iol.ie
обсуждение исходный текст
Ответы Re: Male/female  (John Meyer <john.l.meyer@gmail.com>)
Re: Male/female  (Ron Johnson <ron.l.johnson@cox.net>)
Re: Male/female  (Andreas Kretschmer <akretschmer@spamfence.net>)
Re: Male/female  (Berend Tober <btober@seaworthysys.com>)
Re: Male/female  ("Leif B. Kristensen" <leif@solumslekt.org>)
Re: Male/female  (David Fetter <david@fetter.org>)
Список pgsql-general
Just wondering.....how do list member represent gender when storing
details of people in a database?

I've done it two ways:

* A bool column, with the understanding that true/false represents
one gender or the other.

* Create a domain, something like:
CREATE DOMAIN gender_domain
  AS character varying(7)
  NOT NULL
   CONSTRAINT gender_domain_check CHECK ((((VALUE)::text =
'male'::text) OR ((VALUE)::text = 'Female'::text)))

I personally prefer the second, as it's self-documenting...is there
any other/better way of doing it?

--Ray.


----------------------------------------------------------------------

Raymond O'Donnell
Director of Music, Galway Cathedral, Galway, Ireland
rod@iol.ie
----------------------------------------------------------------------



В списке pgsql-general по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Excluding schema from backup
Следующее
От: John Meyer
Дата:
Сообщение: Re: Male/female