Ullman, Jeffrey D  & Widom, Jennifer <br/><br/>
A First course in database systems 

 - Prentice-Hall, London  1997 
 - xiii,470 
<br/><br/><label>ISBN: </label>0-13-887647-9 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.64 Ull/Wid