Kroenke, David. Database concepts / David M. Kroenke, David J. Auer. - 4th ed. - Upper Saddle River, NJ : Prentice Hall, 2010. - xix, 457 p. : ill. (chiefly col.) ; 28 cm. Includes index. ISBN: 9780136086536 0136086535 Subjects--Topical Terms: Database management.Relational databases.