Conte, senior technical editor for NEWS/400 magazine, provides a thorough introduction to the design and implementation of application databases on IBM's AS/400. The material is organized into four parts: DDS, database design, SQL, and advanced DB2/400 features, and covers everything from coding DDS and entering CL commands to advanced DB2/400 features such as commitment control, the Open Query File command, database constraints, triggers, and distributed data base access. Each chapter includes numerous examples and exercises. Annotation c. by Book News, Inc., Portland, Or.