From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | "Yudie(at)axiontech(dot)com" <yudie(at)axiontech(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Update Help |
Date: | 2002-09-03 18:55:52 |
Message-ID: | Pine.LNX.4.44.0209032035070.1157-100000@localhost.localdomain |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
Yudie(at)axiontech(dot)com writes:
> Let say I have 2 Product table, both of them has columns ProductID and
> Price What is the update command if I want to update all Prices of first
> table to be equal with Price in second table?
Possibly you mean something like this:
UPDATE first_table SET price = (SELECT price FROM second_table WHERE
second_table.productid = first_table.productid);
Possibly the answer is also to redesign your schema to avoid redundant
data.
--
Peter Eisentraut peter_e(at)gmx(dot)net
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2002-09-03 21:31:19 | Re: Outer Join with For Update |
Previous Message | Oleg Bartunov | 2002-09-03 18:42:44 | Re: tree structures in sql - my point of view (with request |