This is a good introductory text for learning SQL. There is no simpler text for learning the syntax and structure of SQL. Download it for free. It’s a slim book that gets right down to business and shows you how to use the language with crystal-clear explanations and examples. …
SQL for Web Nerds
This is a free online sql book by Philip Greenspun. First and foremost, we keep our readers in the world of Web services. Most often they are working within the data model for online communities chronicled in Philip and Alex’s Guide to Web Publishing. Sometimes we drag readers into the dreary world of commerce but at least it is the flashier-than-average corner of ecommerce. …