=?UTF-8?B?5Zyf5Y2c55q/?= <pengcz.n...@gmail.com> writes: > where and when using these system attributes?
http://www.postgresql.org/docs/devel/static/ddl-system-columns.html regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
