RE: [GENERAL] FOREIGN KEY syntax
От | Andrzej Mazurkiewicz |
---|---|
Тема | RE: [GENERAL] FOREIGN KEY syntax |
Дата | |
Msg-id | 13288F4408ADD11186FF0060B06A431303648C8F@MSGWAW1 обсуждение исходный текст |
Список | pgsql-general |
The following information is based on gram.y file of postgres sources FOREIGN KEY ( columnList ) REFERENCES tableName [ ( columnList) ] [MATCH FULL] [ON DELETE action] [ON UPDATE action] [[NOT] DEFERRABLE] [INITIALLLY {IMMEDIATE | DEFERRED}] (not all matches are allowed) "action" is {NO ACTION | RESTRICT | CASCADE | SET NULL_P | SET DEFAULT } [ .. ] means optional elements { .. | .. | ..} means exactly one of Regards, Andrzej Mazurkiewicz andrzej@mazurkiewicz.org www.mazurkiewicz.org > -----Original Message----- > From: Ron Peterson [SMTP:rpeterson@yellowbank.com] > Sent: 2 marca 2000 20:19 > To: pgsql-general@postgreSQL.org > Subject: [GENERAL] FOREIGN KEY syntax > > > I've downloaded and installed the 7.0 beta. Works great so far! > > I noticed on the change list that foreign key support has been added. > However, information about the use of this feature hasn't made it into > the documentation yet. Can anyone give me some examples of how to use > FOREIGN KEY in postgresql? > > Ron Peterson > rpeterson@yellowbank.com > > ************
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