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As a web designer or developer, you know how powerful DOM scripting is for enhancing web pages and applications, adding dynamic functionality and improving the user experience. You've got a reasonable understanding of JavaScript and the DOM, but now you want to take your skills further. This book is all you needit shows you how to add essential functionality to your web pages, such as on the fly layout and style changes, interface personalization, maps and search using APIs, visual effects using JavaScript libraries, and much more. Includes a quick recap of the basics, for reference purposes Packed with real world JavaScript solutions from beginning to end Written by Beginning Google Maps author Jeffrey Sambells, and includes a case study by JavaSc...

Relational databases hold data, right? They do indeed, but to think of a database as nothing more than a container for data is to miss out on the profound power that underlies relational technology. A far more powerful way of thinking lies in relational technologys foundation in the mathematical disciplines of logic and set theory. Databases contain truths or propositions describing some area of interest such as a business. Those truths are organized into sets. Operations from logic and set theory can be applied to existing sets of truths to derive new sets of truths. Applied Mathematics for Database Professionals introduces you to this way of thinking, to the logic and set theory that underlies relational database technology. All this may sound abst...