Date, C. J. An Introduction to Database Systems / C.J. Date. - 7th ed. - New Delhi. : Addison-Wesley, c2000. - xxii, 938 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 8178082314 Subjects--Topical Terms: Database management. LC Class. No.: QA76.9 / .D3659 2000 Dewey Class. No.: 005.74