Re: text vs. varchar
От | Peter C. Lai |
---|---|
Тема | Re: text vs. varchar |
Дата | |
Msg-id | 20100721160447.GD35187@cesium.hyperfine.info обсуждение исходный текст |
Ответ на | text vs. varchar (Ben Chobot <bench@silentmedia.com>) |
Список | pgsql-general |
varchar allows you to define an explicit length of the field, text does not. varchar with a length specified (varchar(n)) is sql92 compliant while varchar() and text are pgsql extensions. On 2010-07-21 08:58:54AM -0700, Ben Chobot wrote: > Is there any difference between "text" and "varchar" data types? (Not varchar(n), just varchar.) I can't see a differentfrom the manual page, but I'm wondering about index usage or something similarly subtle. > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general -- =========================================================== Peter C. Lai | Bard College at Simon's Rock Systems Administrator | 84 Alford Rd. Information Technology Svcs. | Gt. Barrington, MA 01230 USA peter AT simons-rock.edu | (413) 528-7428 ===========================================================
В списке pgsql-general по дате отправления: