After I sent my request I found the notes related to ALTER TABLE on page 1,331 of the 8.1 manual, so that helped to explain it. Your reply to my post confirmed what I thought I was reading.
Thanks for the reply, Keaton On Tue, 2007-05-29 at 17:16 -0400, Tom Lane wrote: > Keaton Adams <[EMAIL PROTECTED]> writes: > > In this example the created and msg_datetime columns are currently > > defined as TIMESTAMP WITHOUT TIME ZONE and no default. If the alter > > table for these changes is not in-place then I would want to run it as a > > single alter with all of the changes, such as this, instead of > > individual alters for each change, correct? (Because each individual > > alter would require another table copy?) > > That's why ALTER TABLE has the ability to do more than one thing in > parallel ... > > regards, tom lane
