Primary key inheritance in Postgres

Hi, I know this is not quite the right list to post but it's urgent. I have posted this to postgres mailing-list, but no answer return, and am hoping if anyone knows maybe he can help. Thanks! Bernie Huang wrote: > Hi, > > Is primary key similar to 'not null columns with indices'? The reason I > > am asking because I found that when you inherit table B from table A, > the primary key in A won't be inherited to B, but only the columns. > > I was wondering how do you inherit a primary key or, even, a foreign > key? If it's not possible, what are the ways going around it? (not > null index or...???) > > Thanks for your help! > > - Bernie