Date, C. J. An introduction to database systems / C.J. Date. - 5th ed. - Reading, Mass. : Addison-Wesley Pub. Co., 1990 - xxiii, 839 p. : ill. ; 24 cm. - Addison-Wesley systems programming series . Includes bibliographical references and index. ISBN: 020154329X 9780201528787 0201528789 LCCN: 94003187 Subjects--Topical Terms: Database management. LC Class. No.: QA76.9.D3 / D3659 1995 Dewey Class. No.: 005.74