Date, C. J. <br/><br/>
An introduction to database systems, volume I / 
C. J. Date. 
 - 5th ed. 
 - Reading, Massachusetts :  Addison-Wesley,  c1990. 
 - xxv, 854 pages :   illustrations ;   21 cm 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9715170293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management.
<br/><br/><label>LC Class. No.: </label>QA76.9D3   / D26 1990v.1