Primary Key Help !

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От Waheed Rahuman
Тема Primary Key Help !
Дата
Msg-id 004601c26c2e$ba5c9400$0305a8c0@yellow
обсуждение исходный текст
Ответы Re: Primary Key Help !  (Ludwig Lim <lud_nowhere_man@yahoo.com>)
Список pgsql-sql
Hi Greetings
Friends please help me in setting the primary key
in a table how many primary key i can create.
In MS access its only 10 column can be made into primary key !.
My question is How many primary key i can assign in a PostGresql Table
 
Rowid        |      Parent1       |      Parent2       |      Parent3       |      Parent4       |      Parent5       |      Parent6       |      Parent7       |      Parent8       |      Parent9       |      Parent10      |
Here i want to make Parent1.........Parent 10 as Primary Key  and ...this parent field i want to make it more than 10 fields....if i try to make primary key more than 10 fields in ms access its say not possible so please let me know how i can do that in psql. or if there is an alternative way...i will be glad
Thank you for your reply
Regards
Waheed
 
 
 
 

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