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What is the difference of foreign key? - Mailing list pgsql-general

From sheepjxx
Subject What is the difference of foreign key?
Date
Msg-id 37a11ce00909240719n3b1b5b78q571535ef7437800b@mail.gmail.com
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Responses Re: What is the difference of foreign key?
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To be precise,
 
The difference between

create table a (
     foreign key (id) referenced by b(name),
);

create table b(
      id  integer referenced by b(name),
);

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