Ullman, Jeffrey D. <br/><br/>
Principles of database systems. 

 - 2 
 - New Delhi  Galgotia Publications Pvt Ltd  1984 
 - vii,484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database Management
<br/><br/><label>Dewey Class. No.: </label>005.74 ULLJ