Date,c j <br/><br/>
Introduction to database systems. 

 - 3rd ed & 6TH ED  
 - Massachusetts  Addison-Wesley Publishing Co.  1981 
 - xxx, 580p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>1.6  / DAT.I