Programming

http://okbob.blogspot.com/2007/11/stacked-recordset-multirecordset.html multi-records set and cross-table queries

http://gavinroy.com/2007/10/6/first-impressions-of-plproxy notes on Pl/Proxy (interdatabase connectivity for stored prosedures )

http://www.hunlock.com/blogs/Concurrent_Ajax notes on how to make concurrent ajax calls

http://people.redhat.com/drepper/ home page of Ulrich Drepper, libc maintainer and kernel developer. Interesting materials about POSIX, glibc , SElinux and more …

http://archives.postgresql.org/pgsql-general/2003-07/msg01507.php how to convert hex to decimal in Postgres

http://www.livejournal.com/doc/server/ljp.dbschema.ref.html basically raw schema in html with some comments

http://postgrestips.blogspot.com/2007/06/blog-post.html Some tips (in russian) on postgresql programming

http://www.planetpostgresql.org/ blog where postgresql developers post stuff

http://people.planetpostgresql.org/greg/index.php?/categories/19-PlPgsql some interesting notes on PL/PGSQL programing

http://sql.ru/forum/actualthread.aspx?tid=210060 how to return an array from pgsql function