ADD COLUMN

From: Chris Bitmead <chris(dot)bitmead(at)bigfoot(dot)com>
To: pgsql-hackers(at)hub(dot)org
Subject: ADD COLUMN
Date: 1999-05-14 12:34:15
Message-ID: 373C1847.87F19DC5@bigfoot.com
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Can somebody explain briefly what happens when you do an ALTER TABLE ADD
COLUMN? Obviously it doesn't seem to go through the database and update
every record with a new attribute there and then. Does it get updated
the next time the record is retrieved or what is the story there?

--
Chris Bitmead
http://www.bigfoot.com/~chris.bitmead
mailto:chris(dot)bitmead(at)bigfoot(dot)com

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