Re: join a lot of columns of two tables

On 14/12/06, ivan marchesini <marchesini(at)unipg(dot)it> wrote:
> Dear Postgres Users,
> I have 2 tables...
> each one has a column called ID (primary keys of each table)
> the values into each ID column are exactly the same.
>
> each table has a lot of other columns (around 50 for each table)....
>
> I would like to create a table containing the ID (only one column
> obviously) and all the other columns of both tables...
>
> a simple equi join for each column is simple but how can I join
> completely the two table on the bases of the column ID???
>
> probably it is a simple question but I don't know how to solve this very
> simple problem quikly... :-(
> thanks
>
> Ivan
>

select * from t1 full join t2 on (t1.id=t2.id);

you'll end up with the id column from both tables if you don't want
that you are going to need to list all the column names.

Peter.