I found this via dzone.com. Its self-described as being intermediate level topic coverage, and I agree, but even beginners should get some valuable insights from it. http://tech.pro/tutorial/1631/5-claims-about-sql-explained It is well written and product agnostic though much of what is discussed is available in PostgreSQL. The notable exception is the lack of "query hints". David J. P.S. for the www crew - is there some sort of process to get non-planet content to appear on the feed/homepage? In this case I am not the author but rather found an article that would be worthwhile, IMO, to people who look at the planet feed. -- View this message in context: http://postgresql.1045698.n5.nabble.com/Excellent-article-on-SQL-tp5776699.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general