On Tuesday 28 July 2009 04:38:03 Jeff Davis wrote: > On Mon, 2009-07-27 at 21:05 -0400, Robert James wrote: > > 1) Introduction to Database Systems > > http://www.amazon.com/Introduction-Database-Systems-Kannan-Swamynathan/dp > >/B001BVYKY4/ref=sr_1_5?ie=UTF8&s=books&qid=1248742811&sr=1-5 > > > > and > > 2) Database in Depth: Relational Theory for Practitioners > > http://www.amazon.com/Database-Depth-Relational-Theory-Practitioners/dp/0 > >596100124/ref=sr_1_7?ie=UTF8&s=books&qid=1248742811&sr=1-7 > > I recommend #2. It's shorter and easier to read than "An Introduction to > Database Systems", and I think it will answer your question about > relational theory and aggregates (see "SUMMARIZE"). Is it weird that "Database in Depth" is shorter and easier than "Introduction to Database Systems"? And they're by the same author, too. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
