From: | "Bath, David" <dave(dot)bath(at)unix(dot)net> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: create table and data types |
Date: | 2006-02-15 00:21:55 |
Message-ID: | 200602151121.56766.dave.bath@unix.net |
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Thread: | |
Lists: | pgsql-sql |
On Tue, 2006-02-14 at 22:12 +0100, Maciej Piekielniak wrote: (snipped)
>Is anybody know how create field in a new table with data type accuiring
>from a field in other table?
>For example:
> create table new_table ( name other_table.name%TYPE);
On Wed, 15 Feb 2006 09:42, Ken Hill wrote: (snipped)
> Have you tried restructuring the table with CREATE TABLE AS...?
> Try this:
> CREATE TABLE new_table
> (id, mynewfield, mynewfield2)
> AS SELECT id FROM old_table);
I use a similar technique, but add a "WHERE 1=0" so the new table is
empty. Of course, more than a single table can be referenced in the
FROM clause.
--
David T. Bath
dave(dot)bath(at)unix(dot)net
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