Re: Relational Algebra and Aggregate Functions

On Jul 27, 2009, at 21:05 , Robert James wrote:

> 2) Database in Depth: Relational Theory for Practitioners
>
http://www.amazon.com/Database-Depth-Relational-Theory-Practitioners/dp/0596100124/ref=sr_1_7?ie=UTF8&s=books&qid=1248742811&sr=1-7

"Database in Depth" is good, though he's effectively rewritten it as
"SQL and Relational Theory: How to Write Accurate SQL Code"

http://www.amazon.com/SQL-Relational-Theory-Write-Accurate/dp/0596523068

Michael Glaesemann
grzm seespotcode net