On Jan 13, 2008 12:05 AM, I said > It's all in the docs: > http://www.postgresql.org/docs/8.2/static/sql-update.html To clarify, you can use the direct form, without using a subselect: UPDATE table1 t1 SET blah = 1 FROM table2 t2 JOIN table3 t3 ON t2.id = t3.t2id WHERE t1.id = t2.t1id Lookup "fromlist" (without the quotes) on the quoted link. Regards. ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend