Re: Foreign key

Поиск
Список
Период
Сортировка
От Jason Earl
Тема Re: Foreign key
Дата
Msg-id 20010802194301.90406.qmail@web10004.mail.yahoo.com
обсуждение исходный текст
Ответ на Foreign key  ("Lorenzo De Vito" <lorenzodevito@email.it>)
Список pgsql-sql
Where did you get the idea that Foreign Key was no
longer supported?  It works fine on my 7.1.2 box:



processdata=> select version();                           version                          
---------------------------------------------------------------PostgreSQL 7.1.2 on i686-pc-linux-gnu, compiled by
GCC 2.95.4
(1 row)

processdata=> CREATE TABLE foo (tes_key varchar(5)
PRIMARY KEY);
NOTICE:  CREATE TABLE/PRIMARY KEY will create implicit
index 'foo_pkey' for table 'foo'
CREATE
processdata=> CREATE TABLE bar (bar_key SERIAL, foo_id
varchar(5) REFERENCES foo);
NOTICE:  CREATE TABLE will create implicit sequence
'bar_bar_key_seq' for SERIAL column 'bar.bar_key'
NOTICE:  CREATE TABLE/UNIQUE will create implicit
index 'bar_bar_key_key' for table 'bar'
NOTICE:  CREATE TABLE will create implicit trigger(s)
for FOREIGN KEY check(s)
CREATE

Good Luck,
Jason

--- Lorenzo De Vito <lorenzodevito@email.it> wrote:
> What's the best way to build a relation between two
> tables ?
> I know that Foreign key is no longer supported.
> 


__________________________________________________
Do You Yahoo!?
Make international calls for as low as $.04/minute with Yahoo! Messenger
http://phonecard.yahoo.com/


В списке pgsql-sql по дате отправления:

Предыдущее
От: "Robby Slaughter"
Дата:
Сообщение: RE: Foreign key
Следующее
От: Jimmie Fulton
Дата:
Сообщение: More Database Design Stuff