Vasta, Joseph A. <br/><br/>
Understanding database management systems /  [Books]. 
Joseph A. Vasta 
 - 2nd edition 
 - Belmont, California :  Wadsworth Publishing Company ;  ©1989. 
 - xviii, 520 pages :   illustration ;   25cm 
<br/><br/> Notes Registration No:25931 (Hardcover). 
<br/><br/>Includes index and bibliography: p. 519. 
<br/><br/><label>ISBN: </label>9780534100742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management System<br/>Database management