The expanding possibilities and promising current and future potential that lies within the advancing field of database technologies encompasses many aspects of life as its beneficial features and innovative functions are seen impacting society at countless diverse angles. Database Technologies: Concepts, Methodologies, Tools, and Applications expands the field of database technologies through four-volumes of in-depth, advanced research articles from nearly 300 of the world's leading professionals. This breakthrough publication contains over 200 chapters of important concepts, methods, and functions of database technologies, covering topics such as conceptual modeling, data warehousing, and Web-based information systems. Database Technologies: Concepts, Methodologies, Tools, and Applications is a paramount contribution to the technology field and a must-have for libraries.