Ullman/ J.O.  <br/><br/>
Principles of Database Systems 

 - Nrew delhi  Galgotia Pub  1993 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Database systems
<br/><br/><label>Dewey Class. No.: </label>5.74