Database Step-by-step, 2nd Edition

This Second Edition includes more material on relational database (including a new chapter on pseudo-relational database), expanded coverage of the now-standard SQL language, and discussion of Query Management Facility, dBASE III, and dBASE IV. There is also treatment of the Date-Wilson method of database design, new material on relational-style catalogs, object-oriented databases, and expert databases. This clearly written text is designed to explain the principles behind database to an audience which has only an elementary understanding of computers and computer programming and suitable for use as a text in a first course in database management. Chapters include simple files and storage media; file organization and access methods; benefits of the database approach; DBMS characteristics; the hierarchical, network, relational, and pseudorelational models; database design; data dictionaries; database environment issues; data administration; and evolving topics (database machines, distributed database, and database on personal computers). Each chapter closes with references and suggested reading material, followed by questions and exercises. the book is a starting point, and useful for establishing a broad and practical foundation in databases. An examination of the fundamental principles and historical origins of database design and development. It covers the four major database systems approaches: hierarchical, network, relational and pseudorelational, and their applications.