Re: delete column
От
Mathieu Arnold
Тема
Re: delete column
Дата
Msg-id
10439662.1019909411@tot.in.t-online.fr
Ответ на
Re: delete column (Hillensbeck, Preston)
Список
Дерево обсуждения
Re: delete column "Ian Harding" <ianh@tpchd.org>
--On vendredi 26 avril 2002 15:49 -0500 "Hillensbeck, Preston" wrote: > There isn't a DROP COLUMN function yet, but you can do this... > > SELECT ... -- select all columns but the one you want to remove > INTO TABLE new_table > FROM old_table; > DROP TABLE old_table; > ALTER TABLE new_table RENAME TO old_table; > > This is straight out of Bruce Momjian's book, so you can give him credit > for this :) this is not really good, as you loose all defaults from the table. I believe that CREATE TABLE new_table (fields without the one you want); INSERT INTO new_table SELECT ... FROM old_table; DROP TABLE old_table; ALTER TABLE new_table RENAME to old_table; -- Mathieu Arnold
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