There are a myriad of new directions in which databases are growing, presenting new and exciting challenges that promise flux in the whole society, because of the impact and changes the database systems have provoked almost everywhere in modern life. This ranges from the way the organizations operate and make their business decisions, to the use of portable devices with database involvements. The Encyclopedia of Database Technologies and Applications is a wide-ranging collection of diverse coverage of topics related to database concepts, technologies, and applications - providing an overview of the state-of-the-art of classical subjects. It also delivers clear and concise explanations of emerging issues and technologies such as multimedia database systems, data warehousing and mining, geospatial and temporal databases, and data reverse engineering. Contributions from hundreds of international researchers make this publication a priceless single reference source in any library on the topic of database technologies and applications.