Date, C.J. <br/><br/>
An introduction to database systems.  Volume 2 / 
C. J. Date. 
 - Reading, Mass. :  Addison-Wesley,  1983. 
 - xv, 383 p. :  ill. ;  25 cm. 
 - Addison-Wesley  Systems programming series. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0201144743 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management.