Ullman Jeffrey, D. <br/><br/>
Principle of data base systems. 
By  D. Ullman Jeffrey 
 - NULL 
 - NULL  Galgotia Pub. New Delhi.  NULL 
 - NULL 
<br/><br/> Engineering 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer & IT