This textbook outlines the structure of Oracle's primary database language PL/SQL as a server-side Web scripting language for developing AJAX Web applications. It covers topics like Oracle SQL, Oracle PL/SQL, HTML, Javascript, AJAX, and Oracle XML. The book simplifies the concepts necessary to develop simple Web applications as well as more complex AJAX applications. It provides a hands-on approach toward applying the database concepts for Web development. There are sample databases, numerous examples, and tutorials in the book to explain the concepts. Each chapter ends with a summary, review questions, and problem solving exercises.