++Postgres; ++Celko; ++play around; Recommend Postgres' own concise tutorial: http://www.postgresql.org/docs/9.2/static/tutorial-sql.html http://www.postgresql

++Postgres; ++Celko; ++play around; Recommend Postgres' own concise tutorial: http://www.postgresql.org/docs/9.2/static/tutorial-sql.html http://www.postgresql.org/docs/9.2/static/tutorial-sql.html for starters. Also, after you've cracked joins, learn the 'WITH' clause ( http://www.postgresql.org/docs/9.0/static/queries-with.html http://www.postgresql.org/docs/9.0/static/queries-with.html ), it's good: 'WITH' restructures the more difficult 'middle-outward' subquery syntax to a top-down 'detail-to-summary' structure. Far easier to build, debug, and re-grok 6 months later.